OpenTechnical

OT-2026-000083799

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000083799) never changes.

Identity and time

Publication numberOT-2026-000083799 · never reused
Internal UUID01a0ae98-0417-7b0b-9c2c-6bed498e21c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083799
StatusPUBLIC

Content hashes

Canonical textb48b7abadd3a85e8d1834befaeb5271cada64396fb00684e588db9879c3f37fb
Markdowncd56b900188b19ebee9cb0378cffbfc289609daa2faf4655675dcd4674ff042b
PDF
Publication paged4c1625c14d8598e24278da05719550b381f52bc007a5a6b0042ab7db10952af
Manifesteba44094b01f2aa18ad48c830e284452f02af2bce04ca8d2d1c97c09df65d879

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
Signature2cTe28YT9qDfZJFeld3QLwkCwkk2iuv7fPAAfiE1vIa6/GlFu6R3apHD9weM/9PdqBBhurTEsd4tQjsfsPHeCg==
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

2026-09-17T09:57:26.759574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083799
observed d4c1625c14d8598e24278da05719550b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.742724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083799/manifest.json
observed eba44094b01f2aa18ad48c830e284452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.724542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083799/publication.md
observed cd56b900188b19ebee9cb0378cffbfc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.707557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083799/publication.txt
observed b48b7abadd3a85e8d1834befaeb5271c...
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.