OpenTechnical

OT-2026-000057190

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057190) never changes.

Identity and time

Publication numberOT-2026-000057190 · never reused
Internal UUID01a0ae87-d5ba-78cb-aa11-d6373bf9d253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057190
StatusPUBLIC

Content hashes

Canonical text1bd31967c016667db3cb85ddf456469f2e0ac4066e2f96e68debe68ac25c29b9
Markdownbf1920f9bfc6a3f4552f7a1e65d2bb7e7428ab9294a9e4d8b5f014288dd1ed96
PDF
Publication page3fd0a61cc0bda659503a5d450837d817dbd1135db67248a06baf379f13bb9827
Manifest5e97656e7134a57db089c35e845ad0f5cfca24865cd246f95fbe96bd70ce2181

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturegH2FO6z6dS/kAtrruPL30B2Y7Tlp6ckF0xGcWOATjpHKczFfUwTj3rOqKVOWSicyuLC75PiOg8Eh92AdJ+vGDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:12.611999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190
observed 3fd0a61cc0bda659503a5d450837d817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.594904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190/manifest.json
observed 5e97656e7134a57db089c35e845ad0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.576110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190/publication.md
observed bf1920f9bfc6a3f4552f7a1e65d2bb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.558161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190/publication.txt
observed 1bd31967c016667db3cb85ddf456469f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.954230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190
observed 3fd0a61cc0bda659503a5d450837d817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.937151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190/manifest.json
observed 5e97656e7134a57db089c35e845ad0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.920078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190/publication.md
observed bf1920f9bfc6a3f4552f7a1e65d2bb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.903671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057190/publication.txt
observed 1bd31967c016667db3cb85ddf456469f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.