OpenTechnical

OT-2026-000053369

Publication integrity record

Single cup vacuum gripper, 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-2026-000053369) never changes.

Identity and time

Publication numberOT-2026-000053369 · never reused
Internal UUID01a0ae85-0a8f-7df2-8e3f-90043bb5d950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053369
StatusPUBLIC

Content hashes

Canonical text895e15e854e68a93ed17ce46cf726db7f729936e94528761227c06d912589bd7
Markdown8a200c6e79497f3b7c4babd0d54205c22432eb2f917b9cfee7d26005d5be8f5f
PDF
Publication page537c705094317059f234e4d24dac27a63c88cc97c43f88f9ce2bf5377e243ea0
Manifestd09489a0f8b51a6cc64cc084d26aaa7511e1683baaaad20e31d4aab0bf2a8923

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
SignatureEuAjyR9U1nQaBRTnWCMgLjODHD9Iz3WA7C3/Smo1GqEvk/EsggOe6iXWkOxq+nEZ7cRdWWA3f5z6bS6S5K8uCw==
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

2026-09-17T10:55:05.218494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053369
observed 537c705094317059f234e4d24dac27a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.200436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053369/manifest.json
observed d09489a0f8b51a6cc64cc084d26aaa75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.182796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053369/publication.md
observed 8a200c6e79497f3b7c4babd0d54205c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.164521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053369/publication.txt
observed 895e15e854e68a93ed17ce46cf726db7...
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.