OpenTechnical

OT-2026-000089582

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089582) never changes.

Identity and time

Publication numberOT-2026-000089582 · never reused
Internal UUID01a0ae9c-1a21-79fb-a0c4-f6f2198851b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089582
StatusPUBLIC

Content hashes

Canonical textbd31618c1fca5e19acd23412cf386ac030e0f6e65b9999e3a5b9475431914637
Markdownb51870601cbe3a9ce0aa0d1548d6b1426bf3deedc7e7c93a9ebe8e797e99ba19
PDF
Publication page08a5f6119847f7e9d29286be53272919435afcd2ee6b6a06fbbd2179fac2f82a
Manifest15b81978b40af2b16e9b766da0839c4df74c4dca28cd502590f158a8704cd610

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
Signature46R6goAUy2WXqhfLpfWgDE2vijMAqH/fIIIb0zF+pZ9knBeLf0wf/JG8y+CjFPEnozQKHld8Jjrt7nuRxjGMDQ==
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

2026-09-17T09:46:33.358860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089582
observed 08a5f6119847f7e9d29286be53272919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.339413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089582/manifest.json
observed 15b81978b40af2b16e9b766da0839c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.322858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089582/publication.md
observed b51870601cbe3a9ce0aa0d1548d6b142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.306365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089582/publication.txt
observed bd31618c1fca5e19acd23412cf386ac0...
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.