OpenTechnical

OT-2026-000091308

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091308) never changes.

Identity and time

Publication numberOT-2026-000091308 · never reused
Internal UUID01a0ae9c-f16c-7746-ada1-713e6b83a5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091308
StatusPUBLIC

Content hashes

Canonical textad36584228f1ff5593b35e2ad39724227bc0324de2818867ad762936056288b4
Markdownf27a6728ff496ee233ad9ec7d6342614a0ab83b66a79ce54835281588463868a
PDF
Publication page6f37942c9b95f4930313e0173bbd103bc4580604d2796801ac30dd3ad8431230
Manifest06850d9145e563b581505d759dc770ef55cb94266de118662d19da297380d13a

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
Signature6O/Oi4+rGhO1FCPqZq9Sz9rXsOKlUkziCOdgXSE1iSKX4HV0WqUik3c0Y6erGrPuG0SokCnr0zgpzFcCdbU3Cw==
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

2026-09-17T09:43:30.543132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091308
observed 6f37942c9b95f4930313e0173bbd103b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.524752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091308/manifest.json
observed 06850d9145e563b581505d759dc770ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.507044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091308/publication.md
observed f27a6728ff496ee233ad9ec7d6342614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.488291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091308/publication.txt
observed ad36584228f1ff5593b35e2ad3972422...
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.