OpenTechnical

OT-2026-000056130

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000056130) never changes.

Identity and time

Publication numberOT-2026-000056130 · never reused
Internal UUID01a0ae87-0a4b-7f81-8f59-d5416c730402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056130
StatusPUBLIC

Content hashes

Canonical text3622e603fce3b248dc671e05e8fc1faa77bb88fcdc09d8a6655c6854e69f2064
Markdown10904da74b8b624645079ddad0e9689038e324e00ed96254bf3cd77750f87b2b
PDF
Publication page6a5efe7eb0d432d5aa532eddf4a6207d976f946b40d887f57442302c0ae73265
Manifest0a3561fa61ff893b0bf357bc078f01c2c44ff23b40a6ac2419e8947b27a2cd8a

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
SignatureXVu5NWOwNB4rQW8BxIpLy4KcxWu1P56PC9MZEdhMlsrhdFqzsVW4KIYz2aYFiJHcMc3JeFnKQTdzznk/JjD7DA==
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

2026-09-17T10:51:40.671345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056130
observed 6a5efe7eb0d432d5aa532eddf4a6207d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.654826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056130/manifest.json
observed 0a3561fa61ff893b0bf357bc078f01c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.637647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056130/publication.md
observed 10904da74b8b624645079ddad0e96890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.620521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056130/publication.txt
observed 3622e603fce3b248dc671e05e8fc1faa...
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.