OpenTechnical

OT-2026-000055866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055866) never changes.

Identity and time

Publication numberOT-2026-000055866 · never reused
Internal UUID01a0ae87-0a49-748a-ad05-2f5084bc4385 · 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-2026-000055866
StatusPUBLIC

Content hashes

Canonical text9d91984b246b0d991f5d6dee3a66667c2826bb32b8b26e3143a2bb10fe49d84e
Markdown2f9c3fbab1fcfcedbe1c86e4763381b2e1f01836289d235e5d03e9a15089e4e6
PDF
Publication page67099b254f96e09db611ecafcbe2dccc525332937b9af96d0598a67c6dfdfe82
Manifest50b6e56c158a93415e2ca7840e3a9065923b791a38364ec846dbd95a22ca294d

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
Signature3pDDYllTSC42n2MJAcYgzFazIo1Ek85kWCa8k8vpt/k0D0IP8wGeN8zhjt+/21GJA2dF3yCZrIfADhBuDsrdCg==
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

2026-09-17T10:51:15.932474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055866
observed 67099b254f96e09db611ecafcbe2dccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.914080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055866/manifest.json
observed 50b6e56c158a93415e2ca7840e3a9065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.895494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055866/publication.md
observed 2f9c3fbab1fcfcedbe1c86e4763381b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.877863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055866/publication.txt
observed 9d91984b246b0d991f5d6dee3a66667c...
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.