OpenTechnical

OT-2026-000076840

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076840) never changes.

Identity and time

Publication numberOT-2026-000076840 · never reused
Internal UUID01a0ae94-b070-7629-8d11-10a9f22996d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076840
StatusPUBLIC

Content hashes

Canonical text4029d5884dfcff086cb94a4d956f4043bc000a017116fe33ae9761cf922c3268
Markdown0516b5740337e41407d38a7b4d9cefd25fa7ddd5785cc03c04fb413f08a3a5b9
PDF
Publication pageaa9ff98b5bc8bf50cfd8129ac12b1917710d42656fe3e0e1b739fa1b31e4884c
Manifestd98d31d4481aa1abc7ddcaa04358e0257c150f679fd3352f2f19d65061ac9105

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
SignatureNBT4+YLKjHoCBh6IOuywT1rbBvWPTgrqy6IewTgvTWD4R6xzT/WYN0AugCndR4BBP+jOGn5C5bcff65KNWf4Bw==
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

2026-09-17T10:09:43.505607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076840
observed aa9ff98b5bc8bf50cfd8129ac12b1917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.487334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076840/manifest.json
observed d98d31d4481aa1abc7ddcaa04358e025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.467831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076840/publication.md
observed 0516b5740337e41407d38a7b4d9cefd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.446436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076840/publication.txt
observed 4029d5884dfcff086cb94a4d956f4043...
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.