OpenTechnical

OT-2026-000071512

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071512) never changes.

Identity and time

Publication numberOT-2026-000071512 · never reused
Internal UUID01a0ae91-e0ee-736b-abdf-773d39f99c2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071512
StatusPUBLIC

Content hashes

Canonical texta44f8b9244673a3e80e52664339ad3e913392b3a929fbb460298cd39109a05fe
Markdown449c2e0b00f95bfca1303e0b4173ea951e225cfea31272c2d6b23a7ac11320c2
PDF
Publication page4a84581289132213c9e28cd8674252a3b5a8bc44f01b31ccf52e0e38ce766ad7
Manifest2428e580e94d137f4f1808199fb94216eb309356427a694c5a6bf9f6237e5e5e

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
Signaturee5xikHadTASO/wZTf4nn9Mcl3gc+gWfPB4oVvhaJWSo6wKtUfsGvmzv73dlzjk4+Y9MFNCEGGQtfTQeTSLARAQ==
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

2026-09-17T10:25:09.511944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071512
observed 4a84581289132213c9e28cd8674252a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.494641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071512/manifest.json
observed 2428e580e94d137f4f1808199fb94216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.476806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071512/publication.md
observed 449c2e0b00f95bfca1303e0b4173ea95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.457710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071512/publication.txt
observed a44f8b9244673a3e80e52664339ad3e9...
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.