OpenTechnical

OT-2026-000081099

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000081099) never changes.

Identity and time

Publication numberOT-2026-000081099 · never reused
Internal UUID01a0ae96-b977-7f7d-9c0b-6372990a9049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081099
StatusPUBLIC

Content hashes

Canonical text74cdb1bcbb43f3e32e130550f3728144b91715e0bb5692c76fc63928e8f38123
Markdown3e4838263f22d9e7f98b03663c0451e809b61f64ffd8c9b60ed33160453f1bc7
PDF
Publication page4e153aeebc54231beed9dbe37e3a97efa3aa8e4706e89d2ab2ea1c010de2070f
Manifest66c897864f1257dd7bc642d5e4fac1f14e7d2879f5c54e3d70c5c94ef1f4e115

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
SignaturetIRCLr+Rz38M2zrGKFrKoRmh2O+Kz7TuhFzxymohHr1y04RIH8ACL2xN/84AMjovJLcZPyqI88+cr/8lxs1gAQ==
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

2026-09-17T10:02:24.300098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081099
observed 4e153aeebc54231beed9dbe37e3a97ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.283498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081099/manifest.json
observed 66c897864f1257dd7bc642d5e4fac1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.267662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081099/publication.md
observed 3e4838263f22d9e7f98b03663c0451e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.250217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081099/publication.txt
observed 74cdb1bcbb43f3e32e130550f3728144...
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.