OpenTechnical

OT-2026-000073670

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000073670) never changes.

Identity and time

Publication numberOT-2026-000073670 · never reused
Internal UUID01a0ae93-2b8c-7bc5-8730-2b258a11aa1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073670
StatusPUBLIC

Content hashes

Canonical text6d0f85b4c1a21ed28b81d13aa432ef64968b1ece60d0a32dfe5016c50c82ff85
Markdowne85627d115e6b5b0a8ac7de9aac2014f60680fa61a0cb9a91309cec572081a3e
PDF
Publication pagee60cdfe4b201b552388f147bef1e4bde7135ea9a044b92a63d158b87034dd118
Manifest30af7e798bf7e1e2cc00b61c257becebfc73ccf08a2fddfd4dbf508565939bba

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
SignatureWhvGsiA2H/1ijHHYz9Des36MOy/mEGd1jlNZa2HDGjPwjanf7W01EGaLSXYAxl8P4B5PxywCTI8Ag6Cn+c0NCw==
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

2026-09-17T10:19:43.573578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073670
observed e60cdfe4b201b552388f147bef1e4bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.556037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073670/manifest.json
observed 30af7e798bf7e1e2cc00b61c257beceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.538168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073670/publication.md
observed e85627d115e6b5b0a8ac7de9aac2014f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.519842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073670/publication.txt
observed 6d0f85b4c1a21ed28b81d13aa432ef64...
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.