OpenTechnical

OT-2026-000074589

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000074589) never changes.

Identity and time

Publication numberOT-2026-000074589 · never reused
Internal UUID01a0ae93-717b-725c-8a0b-5f7acf14b5a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074589
StatusPUBLIC

Content hashes

Canonical textce7c69bb2ffa5d69155f6963a732907bc78f5a9dfe6d95ebfddc4dd5619b26b5
Markdown038c62885f7616ab6aeab2e256b74fd5269e0cd089f9e5da8b96e0465100df19
PDF
Publication page972fdbf3ec5d0e0dc7223ded95dc714c7ef872c66d05ed2ca36c690c944a8a82
Manifest0be75d24a1953658f37bdb639ac9aa3ef6dcff1cccea192ef8a5d589b826ed88

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
Signature4I62OIj0Ohb9JSg8ddQoFl5ZrwL7EpZ8GtwM5EORjZBvxWPiH38DeeM+V+kgRCmpylmuceD6CcRN8e6xeny9Bw==
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

2026-09-17T10:19:36.699036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074589
observed 972fdbf3ec5d0e0dc7223ded95dc714c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.680389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074589/manifest.json
observed 0be75d24a1953658f37bdb639ac9aa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.664123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074589/publication.md
observed 038c62885f7616ab6aeab2e256b74fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.645169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074589/publication.txt
observed ce7c69bb2ffa5d69155f6963a732907b...
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.