OpenTechnical

OT-2026-000008756

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000008756) never changes.

Identity and time

Publication numberOT-2026-000008756 · never reused
Internal UUID01a0ae6a-e46c-73f2-90fb-97fafb0db837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008756
StatusPUBLIC

Content hashes

Canonical text587abfe14abd9dcbde7e02a59a28adf78759f0b7fc8bd0d286599aaa9775c4ac
Markdown5bd4c74a8e1528e4ab0ecbe23b26b6ecefdf53bf9f2149f756993fc116c98249
PDF
Publication pagee89a2bf3d750660912984913ce2da0a3527cf2023a790c4f741482cd007eaa84
Manifest4cec4a789bd8412542b80c612a0b4a0d72f881893415931fc9b1813add64cd3e

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
SignatureVtQazcUDjsy8qeFxtRpUGMr3OLsnLDZKGRHB+92itrMlUbyBwoUnzIHlE4aS+zlUH1NZR3Ff5K8ZDLKZO04zAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:51.022678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008756
observed e89a2bf3d750660912984913ce2da0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:51.001976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008756/manifest.json
observed 4cec4a789bd8412542b80c612a0b4a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.980046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008756/publication.md
observed 5bd4c74a8e1528e4ab0ecbe23b26b6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.957776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008756/publication.txt
observed 587abfe14abd9dcbde7e02a59a28adf7...
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.