OpenTechnical

OT-2026-000088870

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088870) never changes.

Identity and time

Publication numberOT-2026-000088870 · never reused
Internal UUID01a0ae9b-8f11-769b-a5c6-056cd110cf8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088870
StatusPUBLIC

Content hashes

Canonical text1c71a5e9e4273ebcb8e6a4a6ff63c4255a0c5d57f932b9dbced4deb6237ffcc1
Markdown63a0108ee0cab61a1526e19b2667c84b9efe4f9cb2e83c65c5583edb67a19d12
PDF
Publication page6e59bb477e5eec13987d15894c7df901468e619cb3b990f1fc0ab89ad3a1a949
Manifestb450e588075e0c4c9380f4a93adb3850a047fc3ed21077b7c84de7b640b8b83f

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
Signature2Sf7MkrlD7bhLuDvMN7valCEw5zm3rcSYozS8Y+OX0iawy0Xn/8CI0Leiy3ceCIHiKkRi3LSiNu9xdaZjqj4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:16.021594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088870
observed 6e59bb477e5eec13987d15894c7df901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.004430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088870/manifest.json
observed b450e588075e0c4c9380f4a93adb3850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.985401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088870/publication.md
observed 63a0108ee0cab61a1526e19b2667c84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.966089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088870/publication.txt
observed 1c71a5e9e4273ebcb8e6a4a6ff63c425...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent