OpenTechnical

OT-2026-000056118

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000056118) never changes.

Identity and time

Publication numberOT-2026-000056118 · never reused
Internal UUID01a0ae87-0a4b-728f-bfcb-66b30d35299e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056118
StatusPUBLIC

Content hashes

Canonical textfdce698f6be6cd37cba14bbae9231644966e9a734be24b624d90c5f716531cf8
Markdown36b2416b29c2a2e5070ca3cdb6d6d6a4e25dc4ed4a0def9e7f8c3eee53a7cab9
PDF
Publication pagebf218718bd7c92fa8f53814f860c3ed04e53a9874f30d2b46b90a1d6fdac8e42
Manifesta8f01169b77aee1f5f30e6b937a93b99f8a592ca48350d510b9f184eae2c5034

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
Signature7xr3wnW6yhF4yuNa1hHsFGwJKBwj5ZaPRB1cpgLk93Kiasj7RPb0AvTPwniaqOxm799O5BdaAxdvhxayGBpRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:39.743783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056118
observed bf218718bd7c92fa8f53814f860c3ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.724728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056118/manifest.json
observed a8f01169b77aee1f5f30e6b937a93b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.708064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056118/publication.md
observed 36b2416b29c2a2e5070ca3cdb6d6d6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.689833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056118/publication.txt
observed fdce698f6be6cd37cba14bbae9231644...
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.