OpenTechnical

OT-2026-000037795

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000037795) never changes.

Identity and time

Publication numberOT-2026-000037795 · never reused
Internal UUID01a0ae77-f889-7914-8863-c57a03bd3608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037795
StatusPUBLIC

Content hashes

Canonical text0d0fa7b3a3a34680b27c935903ad7d4abe01596dfdee7d0425939160df99b942
Markdown3ff7d617920d2d3918b932c0adf7f57291025ab084ae1bf73dcdec19f034a75c
PDF
Publication page3a900b2a6bb78823b64fe51a220dab66ec4cd36750bd97dbe04edf85d437d158
Manifest41d7d5526dd0238b430eb706b12c175b347a7a8069ed99642d40ce94f44e8dce

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
SignatureO/rf7SRWHW5SHyswPB87LgJlJTga6QB4euEqc8nhtirIjKbiJ6qOPVm4t0O6UP2UX56a6etrcZIMlTMD/2qoDw==
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

2026-09-17T11:23:02.192041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037795
observed 3a900b2a6bb78823b64fe51a220dab66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:02.172353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037795/manifest.json
observed 41d7d5526dd0238b430eb706b12c175b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:02.154044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037795/publication.md
observed 3ff7d617920d2d3918b932c0adf7f572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:02.135179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037795/publication.txt
observed 0d0fa7b3a3a34680b27c935903ad7d4a...
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.