OpenTechnical

OT-2026-000055517

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000055517) never changes.

Identity and time

Publication numberOT-2026-000055517 · never reused
Internal UUID01a0ae86-a102-7035-b711-62c65325de00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055517
StatusPUBLIC

Content hashes

Canonical text30a35e229d137f6cb3bb2a03dfe8c5db929b8e9406508be0c757435960eaf03a
Markdown56f0cbfe3a0cb3140bd373df6eb05dbc89629a77a34ed4c46e302c17cb717ddc
PDF
Publication page2de247bfae64cabede91222bffe27c7cc1c1dd1184ee08137de43f77274fed9b
Manifest5b525a900e411f7d192a625b4df452ea1b12e392ad896ce4aca4c5dcac300baa

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
SignatureK67DjPf/5iNiZD9MslNR1NQHbjCjj+1B5F5mx/tTGkd1ZfYmLIqnGOs+F37veo2lmtc5r5IO10IQMrlpGuVuDg==
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

2026-09-17T10:52:11.586946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055517
observed 2de247bfae64cabede91222bffe27c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.567323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055517/manifest.json
observed 5b525a900e411f7d192a625b4df452ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.548743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055517/publication.md
observed 56f0cbfe3a0cb3140bd373df6eb05dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.526764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055517/publication.txt
observed 30a35e229d137f6cb3bb2a03dfe8c5db...
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.