OpenTechnical

OT-2026-000073388

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000073388) never changes.

Identity and time

Publication numberOT-2026-000073388 · never reused
Internal UUID01a0ae92-efb8-738b-a69a-b961ef831d7b · 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-2026-000073388
StatusPUBLIC

Content hashes

Canonical textb945d578c12c3d59bf0e60f3d81c2971d2d9352c77dfddf95e94ee0d979dd304
Markdownc53e968e03e0e95c716223b3fd39b3ad813931bceb03d88b8889efa54560489f
PDF
Publication paged4645d9521530130b1a8f2cc1246b8a5246fe1135ecd664190f8dbb7f78ccc4d
Manifestf6c410a6f96e8e6476ec6422f33c86bf292b679599ab55de386a4bffcef52110

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
SignatureJNOjTn3s4djVb9ghoDMF/GYCx3KeZ3Z6P5PTmRoc6Tq++T70cfrsPkPfKGsATcDD/eP38AlHc0QIEO+XcID9DA==
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

2026-09-17T10:21:23.818765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073388
observed d4645d9521530130b1a8f2cc1246b8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.798370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073388/manifest.json
observed f6c410a6f96e8e6476ec6422f33c86bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.762376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073388/publication.md
observed c53e968e03e0e95c716223b3fd39b3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.725845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073388/publication.txt
observed b945d578c12c3d59bf0e60f3d81c2971...
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.