OpenTechnical

OT-2026-000069807

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000069807) never changes.

Identity and time

Publication numberOT-2026-000069807 · never reused
Internal UUID01a0ae91-185f-72d0-9051-2f5b3cc827c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069807
StatusPUBLIC

Content hashes

Canonical text1ae526dadc85f624f1a4a528d2874e9f861729302ffca6e20b937796787d0b86
Markdowndfb081d3d1952d7c44ed31bc998e6f0436d7e557b5eb22721c3267d4d6e27151
PDF
Publication pageea25cd8411e524f0fd209b5f500199d0b56767a5a07f8ec511eb023b7979cb20
Manifest9c2991dace299182deb703b7f493b4935fc66dc80395f1961a42aaae141a6f59

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
SignatureFC3j/yQx3rccayzpQaOuqpAPwXRSCsN8ZCXMEDv0GTrrAEOSjhKS7Bu5CYQFIJFAzI1S8SkAcyvQuoBlrsNnDg==
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

2026-09-17T10:26:38.338477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069807
observed ea25cd8411e524f0fd209b5f500199d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.321969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069807/manifest.json
observed 9c2991dace299182deb703b7f493b493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.303456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069807/publication.md
observed dfb081d3d1952d7c44ed31bc998e6f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.286143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069807/publication.txt
observed 1ae526dadc85f624f1a4a528d2874e9f...
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.