OpenTechnical

OT-2026-000072640

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000072640) never changes.

Identity and time

Publication numberOT-2026-000072640 · never reused
Internal UUID01a0ae92-89d9-744d-b01e-8ee99fcfa4d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072640
StatusPUBLIC

Content hashes

Canonical text8c008e5edf0db187f9aea98ada4400a83a59c531c3c2fda4b4bd9d9c029820e5
Markdown96f45184ee3d062e9e16da11a882a9a1dec9cd14bfdc856b2660d37e51bebc01
PDF
Publication page2eab56be15464f8e9a5be0913ced0e7a41dcf56dcfcc2b4d8fcb68cfe35ab260
Manifest0ba21c08040cd7d7793bf206d08dac3bf78fc8f6806867228e295ea7d025b35c

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
Signatureu7SV1WkvTCKsV2sGVuFw+98YKnrG55CPxutFLBMwMCvye7ZsAJ861vhZ+WenqpeDNIPYOIALc/aVF9eXqoktDQ==
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

2026-09-17T10:22:30.095824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072640
observed 2eab56be15464f8e9a5be0913ced0e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.076376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072640/manifest.json
observed 0ba21c08040cd7d7793bf206d08dac3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.060666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072640/publication.md
observed 96f45184ee3d062e9e16da11a882a9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.043687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072640/publication.txt
observed 8c008e5edf0db187f9aea98ada4400a8...
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.