OpenTechnical

OT-2026-000007855

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000007855) never changes.

Identity and time

Publication numberOT-2026-000007855 · never reused
Internal UUID01a0ae6a-908a-7caa-8540-ea05b0364cb6 · 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-2026-000007855
StatusPUBLIC

Content hashes

Canonical textefab3339b8620375db5248a599bee78d06d9e433e44843b735b3bb577345c45f
Markdownde07d5b38ad8e41d37efe4f88953508faaec5bf4edcef3d904b688f0247c11c6
PDF
Publication page114e6e629420f138b99a4463a8a1049fc81c8d8b85de0dc2e6b0a8fd5b484fdd
Manifest35709872d8dded9b2e3c7a51cbc55bdd6d974c345ca207116a9aff4efc9731d3

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
SignatureTY2q4ipabG/+tWbQ8WnvkvCmHn7VCA/OuqoK+hUBDWeElgOR/g9X9Oi3/Rm5ZWOvqN2nbqL7Zg1RZpgMTUymBQ==
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

2026-09-17T12:20:18.464610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855
observed 114e6e629420f138b99a4463a8a1049f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.446219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855/manifest.json
observed 35709872d8dded9b2e3c7a51cbc55bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.424725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855/publication.md
observed de07d5b38ad8e41d37efe4f88953508f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.397846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855/publication.txt
observed efab3339b8620375db5248a599bee78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.392774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855
observed 114e6e629420f138b99a4463a8a1049f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.372767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855/manifest.json
observed 35709872d8dded9b2e3c7a51cbc55bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.354528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855/publication.md
observed de07d5b38ad8e41d37efe4f88953508f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.335508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007855/publication.txt
observed efab3339b8620375db5248a599bee78d...
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.