OpenTechnical

OT-2026-000070773

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000070773) never changes.

Identity and time

Publication numberOT-2026-000070773 · never reused
Internal UUID01a0ae91-8c2c-7e4d-bc8c-175cbac891b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070773
StatusPUBLIC

Content hashes

Canonical text8e9becbb1c97d2ca984fea0c530123e6c69974e46a547524634acc3974cf0abe
Markdownf0ee5c699767bb74c3fe795b72f89c6663dc6a525b243154f01667a2818675c1
PDF
Publication page25f7c0a14528c6694e2352599260cebc9a30b0db3431a55adbee272d50cce295
Manifestaa2e71310e04b2574b119713864320ce1ac1fdb629abc17035168f7698ab0dc0

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
Signature5jct5n5bV/bWTGGaV9t5IvGG/xKyLmG1IESCV0gtYNNqLSM4llw5jTcb+vrPsXmLPUQjVIAbDBCG634nGLv8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:28.407900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070773
observed 25f7c0a14528c6694e2352599260cebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.390846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070773/manifest.json
observed aa2e71310e04b2574b119713864320ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.371157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070773/publication.md
observed f0ee5c699767bb74c3fe795b72f89c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.353126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070773/publication.txt
observed 8e9becbb1c97d2ca984fea0c530123e6...
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.