OpenTechnical

OT-2026-000078755

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000078755) never changes.

Identity and time

Publication numberOT-2026-000078755 · never reused
Internal UUID01a0ae95-ccbc-768a-bf27-de8afd6de760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078755
StatusPUBLIC

Content hashes

Canonical text3bfa119faa3b5148e1083014a68e2d9b9908b752c56992c5b0a27fb9b1a30e0c
Markdown7b66422ceb40aed99ba1a08bae67480a75d36f3fbae9d51ff443604c1b64cd4e
PDF
Publication pageb7fc0caa18045a05d8777bac91bfe3b413f8b63a8df65043708cf5fb4f4e67cd
Manifest4849e84589ec732c02795667dd76bfed8b39c3022b16b948173f3172ed5f4ff4

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
SignatureURVgUayP5L1gWO1vt/qaJF/5I2O8mpw6IKDtHzQzm/PGjiAtUoFjI4Ybf/g4fqWtxdntK1DHNf5eBK5xnPoFBA==
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

2026-09-17T10:05:32.510097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078755
observed b7fc0caa18045a05d8777bac91bfe3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.494136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078755/manifest.json
observed 4849e84589ec732c02795667dd76bfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.475544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078755/publication.md
observed 7b66422ceb40aed99ba1a08bae67480a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.457703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078755/publication.txt
observed 3bfa119faa3b5148e1083014a68e2d9b...
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.