OpenTechnical

OT-2026-000069197

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000069197) never changes.

Identity and time

Publication numberOT-2026-000069197 · never reused
Internal UUID01a0ae90-6dcf-73b3-905f-19d6db99ff45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069197
StatusPUBLIC

Content hashes

Canonical textee3a561ac777798bd5f0e4401bb182d7192ab77ea1c214bd47399baa4be72666
Markdown0fdee6ff8ca2d0c70acc395b6042da466dc76ac607a416757c44d4d53fea0079
PDF
Publication pagee7c177112bddddd819557f508a8f652ac6f0a81d4430ed81d6c516d84b5d274b
Manifest4915fde31f5e683fc8974fa434c018a8347453024e7546df2c5378457aee6fda

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
SignaturetxYmMCaU41DH/PPaL9XJM/7KhI3+UtsAVHNWncRG3Ej65K22s8WXfWUJSgqheDbTwme69kgojnyusAqUZuh1Dw==
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

2026-09-17T10:29:05.706331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069197
observed e7c177112bddddd819557f508a8f652a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.689506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069197/manifest.json
observed 4915fde31f5e683fc8974fa434c018a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.673274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069197/publication.md
observed 0fdee6ff8ca2d0c70acc395b6042da46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.655473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069197/publication.txt
observed ee3a561ac777798bd5f0e4401bb182d7...
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.