OpenTechnical

OT-2026-000073298

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000073298) never changes.

Identity and time

Publication numberOT-2026-000073298 · never reused
Internal UUID01a0ae92-efb7-7951-89d3-6f47975c0ae7 · 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-2026-000073298
StatusPUBLIC

Content hashes

Canonical text1db2683b4a0ccddaa28f03bb3987f104028e95b163e988b7e0e53ced614b8265
Markdownd9ca3dfa74a64400fb081a27025f24664ccb185b3199febdcbbf10aeaca48375
PDF
Publication page8196a6186c52defb4e7462417f0a8a5d2a600f5a886488bff29f78a8621c686e
Manifest3978272cacb1f9ed29eaa72364aba14f19f2ff2115fc3999c89e7db8b7eb40b2

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
SignatureZzCRkU8vX3+pswQEOFxH9zEvuiM8hvfFI2cWiJEvSW6kPDCsCgTHzO4u1z0CLi1PErNK8BL/gLWg8bpwdmGeAg==
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

2026-09-17T10:21:18.516146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073298
observed 8196a6186c52defb4e7462417f0a8a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.496731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073298/manifest.json
observed 3978272cacb1f9ed29eaa72364aba14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.476476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073298/publication.md
observed d9ca3dfa74a64400fb081a27025f2466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.458695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073298/publication.txt
observed 1db2683b4a0ccddaa28f03bb3987f104...
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.