OpenTechnical

OT-2026-000054014

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000054014) never changes.

Identity and time

Publication numberOT-2026-000054014 · never reused
Internal UUID01a0ae85-b3a7-7ae5-a328-f177e6a63055 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054014
StatusPUBLIC

Content hashes

Canonical text1c779a95144bd7d675313ba894d3613c2a82f53bf8b137a7b377a813f1ffda30
Markdown10939bc5c00da5649d8556aebb46d3d55a49b4c378e400a683101336f53c5822
PDF
Publication pagec2e494938783a08a9e40ae9726739d68c1e8c750f2f375a9518f89dccaf3cdef
Manifest53768f5a8834bf19926774b1a64c89609ebd2849fd2267c2966172c99bf7acec

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
Signature1oPjKFcUZ8xWYoeWnapcdf37ilQ4G3jLkpEvFS2SbGjZikITsqcs3gZkS9Z31tThuOH2gFHY9+AReX1p38yFCg==
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

2026-09-17T10:54:21.949606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054014
observed c2e494938783a08a9e40ae9726739d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:21.917964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054014/manifest.json
observed 53768f5a8834bf19926774b1a64c8960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:21.883294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054014/publication.md
observed 10939bc5c00da5649d8556aebb46d3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:21.855808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054014/publication.txt
observed 1c779a95144bd7d675313ba894d3613c...
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.