OpenTechnical

OT-2026-000057217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000057217) never changes.

Identity and time

Publication numberOT-2026-000057217 · never reused
Internal UUID01a0ae87-d5bb-7b75-9ff5-81456d6520ea · 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-2026-000057217
StatusPUBLIC

Content hashes

Canonical text5ed18ff206a5dad40e94fc12c548cd1ec8e6efeb70832cbad2ac2d33887d1159
Markdown4266bccef0db8f575f35fb5d2c6ca653f06df81a7b1e06a30834c291573db454
PDF
Publication pagea6443ab37c94075c1f0f236a831d7ffb545b2b618ed768d70babeda673b25217
Manifestc71fcdf781da667635de37747df457ee8a4c207a23a3897850831d13a7c21e7b

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
SignaturebhiO2zh8UUaHJGsojY9djuWepZAuZKL2D5lWA/J9MXNRhx7SrHXV4Hls8Dw2mjt7nHyK/Asa3NGvNs2pC50wBA==
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

2026-09-17T10:50:16.247897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217
observed a6443ab37c94075c1f0f236a831d7ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.230988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217/manifest.json
observed c71fcdf781da667635de37747df457ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.212309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217/publication.md
observed 4266bccef0db8f575f35fb5d2c6ca653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.194738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217/publication.txt
observed 5ed18ff206a5dad40e94fc12c548cd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.945617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217
observed a6443ab37c94075c1f0f236a831d7ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.928598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217/manifest.json
observed c71fcdf781da667635de37747df457ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.910362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217/publication.md
observed 4266bccef0db8f575f35fb5d2c6ca653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.893195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057217/publication.txt
observed 5ed18ff206a5dad40e94fc12c548cd1e...
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.