OpenTechnical

OT-2026-000057197

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000057197) never changes.

Identity and time

Publication numberOT-2026-000057197 · never reused
Internal UUID01a0ae87-d5ba-7b1d-a6f8-5623e9ca3ccb · 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-2026-000057197
StatusPUBLIC

Content hashes

Canonical textc7f12e55ac3111dfc4a32b740f3553a0122491aa40d0b0f7093e93905fb426ee
Markdown4cdc74398faf7abfb714eae1d9cc59d72d22acb4fdec4a396cdbd2f9b11a9b26
PDF
Publication pagef94e4d8c3ad28dbf55e2af449e1726964b5bd359f9fae31573262f83365e92ba
Manifest454d7924f28893af6dce82296444a49024771c8e183dacfe95ec141f371d135e

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
Signatureb9ZF93Gz3X88GnUh7XmeYo02Uaqxm8+GtCnkCxcZUQABh42+h2xITLjF2tpuCi5zWTwVzc66TWak4gyM51W4DQ==
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

2026-09-17T10:50:14.560501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197
observed f94e4d8c3ad28dbf55e2af449e172696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.539774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197/manifest.json
observed 454d7924f28893af6dce82296444a490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.523660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197/publication.md
observed 4cdc74398faf7abfb714eae1d9cc59d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.506982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197/publication.txt
observed c7f12e55ac3111dfc4a32b740f3553a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.407794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197
observed f94e4d8c3ad28dbf55e2af449e172696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.390568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197/manifest.json
observed 454d7924f28893af6dce82296444a490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.372828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197/publication.md
observed 4cdc74398faf7abfb714eae1d9cc59d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.355589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057197/publication.txt
observed c7f12e55ac3111dfc4a32b740f3553a0...
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.