OpenTechnical

OT-2026-000037091

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000037091) never changes.

Identity and time

Publication numberOT-2026-000037091 · never reused
Internal UUID01a0ae77-7740-7bbc-af14-8dce370b2751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037091
StatusPUBLIC

Content hashes

Canonical text75656aca48c5f11bc3181d9b3de35adddb2abc63ba9d0ae6eb9e61e3374d4c80
Markdownf929ac75b5e0cc06359832a72f18a60686cc9d92b64013b99280ebe83f26905c
PDF
Publication page5a695dd76f2beaa3a29f237b821b0aaf7b85d787e87f97a8175da045c74beeb2
Manifestd3ec05808b84f8d68b6caa07bd2aba1809a44737de7249c001e702a1eb07a2e6

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
SignatureJCYuqxDAQJtigzYZLscbynXYBAsDH18Mtrz0eTuge/QxRwjDVeVXY7AnLlJm8pYgJmRpIDtKneQawVj0MsLKBw==
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

2026-09-17T11:24:57.442020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037091
observed 5a695dd76f2beaa3a29f237b821b0aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.424525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037091/manifest.json
observed d3ec05808b84f8d68b6caa07bd2aba18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.406963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037091/publication.md
observed f929ac75b5e0cc06359832a72f18a606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.391359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037091/publication.txt
observed 75656aca48c5f11bc3181d9b3de35add...
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.