OpenTechnical

OT-2026-000047015

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000047015) never changes.

Identity and time

Publication numberOT-2026-000047015 · never reused
Internal UUID01a0ae7e-d0f7-7ecb-81b4-43967b636f63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047015
StatusPUBLIC

Content hashes

Canonical text95dd23dfeeb1e7d52e26aa71a5b13f22698aad8113bd738e0486990ed44f7206
Markdownd92ce120a4cdfb2a579d5628fa359cd81dc94480163a9a40bc5a783f4e5b5a9f
PDF
Publication page4a728555de262e946ad229bec24627f70b7968359fa5cc52eb47af4e9e58d230
Manifest562c072ed2059bda24deb4fc4bc762785f4b6b6b645d6e3897f6e0ff0a81fce6

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
SignaturefSLOozJpXsd6DhTJ40P3P9/AbXDH15PIYA1k03tBub1Qfg3iHn6O7I5RSB40+wOFYNsG0oQMapj9gesrUhl3DA==
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

2026-09-17T11:10:17.702223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015
observed 4a728555de262e946ad229bec24627f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.685177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015/manifest.json
observed 562c072ed2059bda24deb4fc4bc76278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.664143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015/publication.md
observed d92ce120a4cdfb2a579d5628fa359cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.646831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015/publication.txt
observed 95dd23dfeeb1e7d52e26aa71a5b13f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.317642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015
observed 4a728555de262e946ad229bec24627f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.299344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015/manifest.json
observed 562c072ed2059bda24deb4fc4bc76278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.277989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015/publication.md
observed d92ce120a4cdfb2a579d5628fa359cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.258714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047015/publication.txt
observed 95dd23dfeeb1e7d52e26aa71a5b13f22...
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.