OpenTechnical

OT-2026-000007879

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down

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-2026-000007879) never changes.

Identity and time

Publication numberOT-2026-000007879 · never reused
Internal UUID01a0ae6a-908a-7d7c-aa6f-10abccc32fe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007879
StatusPUBLIC

Content hashes

Canonical text546c7f539d2c263e144319a7bbc919b55f26e3c42deb352238af7fd0ed57bf86
Markdownf6dc7b43f13dae0a23e4f99a3b3df52a368b40a6d557dbc82a9b6e72db88e11d
PDF
Publication page51817d5adc146cc4b8979b58765ea517cedb7c0bbb00d8d041c236cb36de3603
Manifest773025d3baf834a2e3ffd982da68f06bcaacb5d8b67c4e67d92351be3e1705cb

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
SignatureL/1yQ1NcnDW1fvB12/ag8YjzyGD6FzBEbiszoMJWw2TnlliiXDFLwlT16S2M4HDULCbUZ7XheGdx1SMunDLwAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.218984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879
observed 51817d5adc146cc4b8979b58765ea517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.198985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879/manifest.json
observed 773025d3baf834a2e3ffd982da68f06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.180710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879/publication.md
observed f6dc7b43f13dae0a23e4f99a3b3df52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.163390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879/publication.txt
observed 546c7f539d2c263e144319a7bbc919b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.728633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879
observed 51817d5adc146cc4b8979b58765ea517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.709402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879/manifest.json
observed 773025d3baf834a2e3ffd982da68f06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.691744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879/publication.md
observed f6dc7b43f13dae0a23e4f99a3b3df52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.673286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007879/publication.txt
observed 546c7f539d2c263e144319a7bbc919b5...
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.