OpenTechnical

OT-2026-000062439

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000062439) never changes.

Identity and time

Publication numberOT-2026-000062439 · never reused
Internal UUID01a0ae8c-0ac0-73bb-9aa7-d6a97391266b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062439
StatusPUBLIC

Content hashes

Canonical text0034d4b3edaf36a230ad33c7161d0cbafde75b1ae3c5501c296b7907edfba493
Markdown7f3d467cca2c4115b545e43ffc8959f17f8b167f1ff2ea9e4dd258608d493a96
PDF
Publication page74bf0050ae0d1aa150d1cbd1993d5aa09f19657056fd1c2a0e49f07b7d544fec
Manifestac34957850dbe915feb03e4f1272fdfa525c74fac974fb77b5b7d9524327eb45

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
Signatured+TRA05djMJ0WXrclA6PdIs1j9JsYvjb50rgnsjsLbd/xHr5JL8XCUHjaOTgLq1aNg/i2NaDTtSj9xKHhm38Bg==
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

2026-09-17T10:39:46.727465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062439
observed 74bf0050ae0d1aa150d1cbd1993d5aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.709589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062439/manifest.json
observed ac34957850dbe915feb03e4f1272fdfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.690778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062439/publication.md
observed 7f3d467cca2c4115b545e43ffc8959f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.671862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062439/publication.txt
observed 0034d4b3edaf36a230ad33c7161d0cba...
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.