OpenTechnical

OT-2026-000074869

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

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-2026-000074869) never changes.

Identity and time

Publication numberOT-2026-000074869 · never reused
Internal UUID01a0ae93-ac2c-7eba-be6b-5d30f29bb33c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074869
StatusPUBLIC

Content hashes

Canonical textd2c27c9453fc4be665c5a969cf582448a099dd56470252b0259bb8c13ea6136e
Markdownc117ebbd146ab5fc5a2fa7a5c9c92dd2f0a8721eac5ec654b0a9ed909c216e41
PDF
Publication page93926776d6ef66fdd767ae1a64dabee93cf85d0f000f150fa371189c9b134dae
Manifesta9dff4a5c7e96fa69a2328dafa2ef69258f2150b44326c3dc55e09284617c37e

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
SignaturerEKkAQGA9xpL7sc07QvX2xzlhjIGfPJM1TAFjxpaWDBxI74/CzxKQSvF77J//UJ8cEZDA7f/6XbVtk+feBBtAQ==
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

2026-09-17T10:18:35.176098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074869
observed 93926776d6ef66fdd767ae1a64dabee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.157131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074869/manifest.json
observed a9dff4a5c7e96fa69a2328dafa2ef692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.140627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074869/publication.md
observed c117ebbd146ab5fc5a2fa7a5c9c92dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.123794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074869/publication.txt
observed d2c27c9453fc4be665c5a969cf582448...
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.