OpenTechnical

OT-2026-000055867

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000055867) never changes.

Identity and time

Publication numberOT-2026-000055867 · never reused
Internal UUID01a0ae87-0a49-7b22-9bfa-aa0386271be6 · 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-2026-000055867
StatusPUBLIC

Content hashes

Canonical text568e51e2de40e7e264a6dc88047613a63c049f98e31a22ea422ed9e5f8c62367
Markdown0ca8d88c4eebba2f8a6116b7cacc279d6c473bee20ae5b0f18eb046b60cf2cc7
PDF
Publication page3c976dc4ebe4a36eeea97f37d98d0e79bd5a7383031a4cc1297ee0b20d14fe6e
Manifest4bbee4b7e892a451066ed535829b07fdfada93e5c05c041e50f5bd623c3d29db

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
Signature2X8l6aCCwpJOE7yZgLBJgKNG02lJBnsb5Ru4XmvM6fHC5ZOyVtWIfnvdTMy/vm6NG+Q7ZRMRCIiVjfcU2t57BA==
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

2026-09-17T10:51:16.075956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055867
observed 3c976dc4ebe4a36eeea97f37d98d0e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.059853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055867/manifest.json
observed 4bbee4b7e892a451066ed535829b07fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.044337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055867/publication.md
observed 0ca8d88c4eebba2f8a6116b7cacc279d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.026536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055867/publication.txt
observed 568e51e2de40e7e264a6dc88047613a6...
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.