OpenTechnical

OT-2026-000053469

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000053469) never changes.

Identity and time

Publication numberOT-2026-000053469 · never reused
Internal UUID01a0ae85-0a90-7d8c-93ba-8d1ac22e2a84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053469
StatusPUBLIC

Content hashes

Canonical textaf1cbb3d54faa3fb137196fc169ae46c23b85ada577da421bf69be3c5d8cbea0
Markdown8674bcf5f7f1bce118297299a2e6e7401d04c90233c7d3ccddf5905f2a354a56
PDF
Publication pagebb819eb06f39c2c60e01ff7c2f2623eb2b13d0034b099f7a20d3a517827d4948
Manifest84cceb2bc40756ebba4fffec75e94237db92f0859cccb56bf145a11847ae49cb

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
Signature5T2BIqV7m+gMsSkRs8AVMUAZiakj2r7179jXCpcsJaREZRPrl0Aqk4fyW+6bOil3tbLUE0wVPe1l38/56xlNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:13.215703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053469
observed bb819eb06f39c2c60e01ff7c2f2623eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.197332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053469/manifest.json
observed 84cceb2bc40756ebba4fffec75e94237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.180436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053469/publication.md
observed 8674bcf5f7f1bce118297299a2e6e740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.162677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053469/publication.txt
observed af1cbb3d54faa3fb137196fc169ae46c...
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.