OpenTechnical

OT-2026-000053675

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000053675) never changes.

Identity and time

Publication numberOT-2026-000053675 · never reused
Internal UUID01a0ae85-0a95-7823-89a2-802d23b5ce30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053675
StatusPUBLIC

Content hashes

Canonical text9fd27cb2015eef2013ddeae8580d33342304b643acb55b3d67b4d3455ddc5d02
Markdown672aa2db65841528d2fd1f49191d97003630f216ecbf670e300d1445dcdd4fac
PDF
Publication page301c9fe6cfcb0501ebb36ccac0fb8e510b6cb972706e1a6023ecd51d8ab107c6
Manifest22dcd7ed2306f91f5ef1224f1f7f5069061c008a7e759e9484c11320ebb23929

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
SignaturegR311JnHy1UO5kDrPwCLGh1e1bNvfCosboTcFsVm4bN+WJ3mnz2tlwydeoq5J0k1VksOK71PwKdjTCosstuSAw==
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

2026-09-17T10:55:34.215551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053675
observed 301c9fe6cfcb0501ebb36ccac0fb8e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.196810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053675/manifest.json
observed 22dcd7ed2306f91f5ef1224f1f7f5069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.176826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053675/publication.md
observed 672aa2db65841528d2fd1f49191d9700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.156393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053675/publication.txt
observed 9fd27cb2015eef2013ddeae8580d3334...
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.