OpenTechnical

OT-2026-000095703

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000095703) never changes.

Identity and time

Publication numberOT-2026-000095703 · never reused
Internal UUID01a0ae9f-fac4-79a3-bcce-0efc69bfc3c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095703
StatusPUBLIC

Content hashes

Canonical text9a7134231be69398937b50536e7c89690807130d2280c997e382cd6dfc133e1b
Markdownf33a02d29191d3707fc790b6ba2f2cf71264f237e82b7d9da6534e0e2c80a767
PDF
Publication page67b417172f26ed939869adbfd56d8accf224b44fa3515aff61691db63a6563c0
Manifest8a10e03b8a58332779e5df8a78be46fc5be3d33ebf7d8bd8364959ce1d959783

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
Signatureyo2Rvmvfmn8exLU4RmoNorSaRfhbPwRxkUE/EkfNLgoEq6pBnZaSDEHTxRkDfrK9wGOlmE5JPUAtmIzu8PDLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:15.309143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095703
observed 67b417172f26ed939869adbfd56d8acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.293154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095703/manifest.json
observed 8a10e03b8a58332779e5df8a78be46fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.274165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095703/publication.md
observed f33a02d29191d3707fc790b6ba2f2cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.256462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095703/publication.txt
observed 9a7134231be69398937b50536e7c8969...
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.