OpenTechnical

OT-2026-000026634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000026634) never changes.

Identity and time

Publication numberOT-2026-000026634 · never reused
Internal UUID01a0ae71-f4aa-7271-8f2b-15c12db150e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026634
StatusPUBLIC

Content hashes

Canonical texte0fd346232380e9e9f1d99cc0b7a36d2e6361215f91e1cbddd8e7f02f13d94c3
Markdownf225713c2666c5a87e5385e1acea444f26989751bd2075a903476c0b513938fb
PDF
Publication page7e1b4a2174d662e8239b9c9062bc50913455b26b728e7b14b9ff009d8753f73b
Manifest52b3b0b49dc3f228993144e6c0b47edc987af1b69137840738e4a2528c344e25

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
SignatureGrDYY3aOp7dnocE3JSw425qIP0fsHKi9DLiSM1fJi15dDAqQjzx4hkXGBDyBK+92LK25mAiCSoVGz/mEAMywAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:42.650745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026634
observed 7e1b4a2174d662e8239b9c9062bc5091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.632469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026634/manifest.json
observed 52b3b0b49dc3f228993144e6c0b47edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.614276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026634/publication.md
observed f225713c2666c5a87e5385e1acea444f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.595780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026634/publication.txt
observed e0fd346232380e9e9f1d99cc0b7a36d2...
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.