OpenTechnical

OT-2026-000074111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000074111) never changes.

Identity and time

Publication numberOT-2026-000074111 · never reused
Internal UUID01a0ae93-7177-7085-9a80-cf9d065fcd32 · 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-2026-000074111
StatusPUBLIC

Content hashes

Canonical text5ca0ed364b89554326269543b46397d199a8fa4c143e88ac1fc420802aa60ede
Markdown46104b6dca4177f6bd29ff11f98751e914f9fc411e0118953093a37ca3c50d33
PDF
Publication pageefceace15e0f96714001375700692b19e4341d0b9e13143087a9a1bc8bf8d47d
Manifest209d04d7d2410cdaab424c48e93f840867f7178bc2888be5c434d7f39d03e795

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
SignatureyNGEFlkvPvSlzhKWLhSjyiJzvV6Knq8T0xM75xYUUPp2S4wS5GLZDmPFcAEEzy8KMRpByNI8b0W9slOdGwFdBg==
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

2026-09-17T10:18:56.889510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074111
observed efceace15e0f96714001375700692b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.871511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074111/manifest.json
observed 209d04d7d2410cdaab424c48e93f8408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.853805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074111/publication.md
observed 46104b6dca4177f6bd29ff11f98751e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.835666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074111/publication.txt
observed 5ca0ed364b89554326269543b46397d1...
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.