OpenTechnical

OT-2026-000006672

Publication integrity record

Porous face vacuum gripper, three outlet manifold, two stage ejector, pressure verified, closed cell

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-2026-000006672) never changes.

Identity and time

Publication numberOT-2026-000006672 · never reused
Internal UUID01a0a963-7006-7733-ae2f-00badeba2524 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:21.384581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006672
StatusPUBLIC

Content hashes

Canonical text18841a65d60efdac0f9f3ce7a42097f2359f33115c0a9081aebadf12162ec9d4
Markdowndd97142aa39e1a0806e387e15dc5a1a89912d096cd6545f31b67d3484cc22026
PDF
Publication page4c8a8e52a89aedf98eaddf2080d298e2c8a0942b16431269093e0d199cd30871
Manifest1a1319ae09401daf158b2cb1462329757c2499ee35273c26952883ff8f45496e

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
Signature/OYZvkTK4QeCEntwppzAmIAKDRKuPK17J1je+M0MPL5N+NzTYnwHvk6Ho93YiLfW7ZX+dnWaZNY2mzB5VxAnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:18.935050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006672
observed 4c8a8e52a89aedf98eaddf2080d298e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.922858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006672/manifest.json
observed 1a1319ae09401daf158b2cb146232975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.908693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006672/publication.md
observed dd97142aa39e1a0806e387e15dc5a1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.893379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006672/publication.txt
observed 18841a65d60efdac0f9f3ce7a42097f2...
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.