OpenTechnical

OT-2026-000055946

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000055946) never changes.

Identity and time

Publication numberOT-2026-000055946 · never reused
Internal UUID01a0ae87-0a4a-7a05-b108-fc596454db99 · 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-2026-000055946
StatusPUBLIC

Content hashes

Canonical text135f9ab00154e94a534a214aa0db82635994ab7a946dc2cf99a583822c7d574a
Markdown26940f7289273fa914c784d444097b9b993396811960a5705185d79a931fa698
PDF
Publication pageb4de4125632db4afbaadceb775e68edb1afa11403028cd3dc64aed936ddfa81a
Manifest9b8270d4d4cb21914f683af9de7edacc1e12e45d7008d409b28a0e32a3e88063

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
Signature3tSyrTcpeL8M1n7MHWyD06sWJV3SHzI1uqLdQt490GJEr1xlWCY15NI5THfkn0nG+AvBBxxzubdPQG1Tg2bTCw==
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

2026-09-17T10:51:27.779517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055946
observed b4de4125632db4afbaadceb775e68edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.761527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055946/manifest.json
observed 9b8270d4d4cb21914f683af9de7edacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.743123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055946/publication.md
observed 26940f7289273fa914c784d444097b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.724089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055946/publication.txt
observed 135f9ab00154e94a534a214aa0db8263...
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.