OpenTechnical

OT-2026-000076913

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000076913) never changes.

Identity and time

Publication numberOT-2026-000076913 · never reused
Internal UUID01a0ae94-b070-7f3b-8773-adad4604d95a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076913
StatusPUBLIC

Content hashes

Canonical text33eb127637a185a5f240378cf9bc8de37a9cde9fd1ac3010d9cd6f6e33eb921a
Markdownf79d1dce9dded31870440635bf3f4be57a271257a39e0349e6c0b660c8877654
PDF
Publication page482c14f9c5eed1e1d67d0532803696ddd8012e4f18d2f34f10c3873e052a8062
Manifest98416d8101f15b6eccebf1d98f221f9535fa1183c9ec2b5e1f64042b6d115b87

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
SignatureABKfcsxdqQlhzPwhniRToq+seUoHF6lvy2UTrYfsXZ6k5S5EVkQBQqOU5FYWdR5CVd7ETxuTQDoOwJd8FFqKDA==
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

2026-09-17T10:09:50.221501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076913
observed 482c14f9c5eed1e1d67d0532803696dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.202354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076913/manifest.json
observed 98416d8101f15b6eccebf1d98f221f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.058902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076913/publication.md
observed f79d1dce9dded31870440635bf3f4be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.038701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076913/publication.txt
observed 33eb127637a185a5f240378cf9bc8de3...
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.