OpenTechnical

OT-2026-000070735

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000070735) never changes.

Identity and time

Publication numberOT-2026-000070735 · never reused
Internal UUID01a0ae91-8c2c-70b8-bae9-752212eef830 · 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-2026-000070735
StatusPUBLIC

Content hashes

Canonical textff258fc306d4225db3118c1dfeff5f806ebc14ff4f700340bf48488c768076c2
Markdowna540c578df655e50635aabfe17643b2a2d6d971ef1f9c8d7cd4b292cf8915cef
PDF
Publication page7589775ec193c721c7540892f4623e63ad5f85413d4846c96b5644965d0e50b7
Manifest01dcbd3baac75211b8689162c2745b785833eb9897b92248d99317d32faf2f2e

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
Signature6HSr+SiHMnaZFBxPK8sNYQ4DIjJaBh79laZXo7OZGvVb8WIdcClIwDMjQsDKv2GfNOxZjAsMcC/cpoJLeOIEDQ==
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

2026-09-17T10:25:24.083507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070735
observed 7589775ec193c721c7540892f4623e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.065310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070735/manifest.json
observed 01dcbd3baac75211b8689162c2745b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.018320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070735/publication.md
observed a540c578df655e50635aabfe17643b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.969734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070735/publication.txt
observed ff258fc306d4225db3118c1dfeff5f80...
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.