OpenTechnical

OT-2026-000076984

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000076984) never changes.

Identity and time

Publication numberOT-2026-000076984 · never reused
Internal UUID01a0ae94-b071-73c1-92d9-7458255c7c3e · 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-2026-000076984
StatusPUBLIC

Content hashes

Canonical texta70bd96847914b84dcbc785b38dc2be32fe824d5c22cbe09b9735815846f4a84
Markdown5fa928bf23b43cf971d2046a1d3b05f879e21963a413fbb725a3a46e904e466c
PDF
Publication pageb985dad45e19ffb7efd26ac91ed153c7a00ad60ec7ac13f271c5b40f4b6262ef
Manifestde923b5b58606d3d0a3bbf5ad5201463b0e4102a084d843b994f95ef72d64e85

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
Signature/jCUFJk6zVrDdNv/A3bKWQ+g0HDcYa/5NNx/d04I//674bTh8XE5uiRIOcuS3eEu/lCTKfthq9Zd/qQGS//UDg==
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

2026-09-17T10:10:16.970496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076984
observed b985dad45e19ffb7efd26ac91ed153c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.947715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076984/manifest.json
observed de923b5b58606d3d0a3bbf5ad5201463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.800876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076984/publication.md
observed 5fa928bf23b43cf971d2046a1d3b05f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.780040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076984/publication.txt
observed a70bd96847914b84dcbc785b38dc2be3...
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.