OpenTechnical

OT-2026-000066521

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000066521) never changes.

Identity and time

Publication numberOT-2026-000066521 · never reused
Internal UUID01a0ae8e-ce41-7faf-b085-d3e532e3a08c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066521
StatusPUBLIC

Content hashes

Canonical textfdf0e80f7f06a9f3060e72f525a9a65112e9bf2e8c730acb58ff0b083df67231
Markdownef8e15df94d9f0deed94d9beb0322ae1413f3956d52084f75933f81eb6394885
PDF
Publication page55630140e11ae143d0e8ba5a970a230f1e747fc5309a3f4c179a0aa7b9e75c4b
Manifest68e6e47ee62a826b3d20046949ae912a939756c350534c40a0b17e8556c3b5fb

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
Signaturee9ykQwR/2p3521VzYa0Zx1vA37UabV6KQR9yMNDi41zzyTtxOZp3VYFQ97Rsc+uLxDdWWxpZm6vsGGRwaLCCBg==
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

2026-09-17T10:32:47.024004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066521
observed 55630140e11ae143d0e8ba5a970a230f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.006492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066521/manifest.json
observed 68e6e47ee62a826b3d20046949ae912a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.990707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066521/publication.md
observed ef8e15df94d9f0deed94d9beb0322ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.973458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066521/publication.txt
observed fdf0e80f7f06a9f3060e72f525a9a651...
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.