OpenTechnical

OT-2026-000073340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000073340) never changes.

Identity and time

Publication numberOT-2026-000073340 · never reused
Internal UUID01a0ae92-efb7-7cbd-9e9a-a0df3944c92b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073340
StatusPUBLIC

Content hashes

Canonical text421e706c9de50889ae1b78fa4df473419a14a5a7b6071d0363113bfac1d1dd93
Markdown58f3e52233703ebde9e63e336fb379fcddce0d9720a1f52cec6b7a378f4bdc8e
PDF
Publication pageeab084bda0760fd1672a3c1cee314bb42c027ceea289d1324da10d8db6d3cecb
Manifestca50f020ff586158dfba43b7cb000955b5a5443619a6078ac42eb7f26d61528a

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
Signature9QBy1ITTFEPfQAPpy1GKIDSvIpfYl2JDCKJMGTIP3HC2+w7NRFYtl2Ri038W0B2AKTsvcxvVGwWoW81m3YilAA==
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

2026-09-17T10:21:21.695508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073340
observed eab084bda0760fd1672a3c1cee314bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.676843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073340/manifest.json
observed ca50f020ff586158dfba43b7cb000955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.658806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073340/publication.md
observed 58f3e52233703ebde9e63e336fb379fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.640340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073340/publication.txt
observed 421e706c9de50889ae1b78fa4df47341...
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.