OpenTechnical

OT-2026-000072395

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000072395) never changes.

Identity and time

Publication numberOT-2026-000072395 · never reused
Internal UUID01a0ae92-89d7-7db2-97db-4695ab2e2d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072395
StatusPUBLIC

Content hashes

Canonical textf8eac675439fcdf1b411f6bb8229542e25ffb8df7726fa2003321cba3668ec09
Markdown644398c0cfce2fb4b0368a03edd4bddd8913e91b4b67eec176868e45275c82f9
PDF
Publication page87c118a17f4375fc31ccc9a81c26c7c9955e3348d820d21f5e9c2e0a51df91b6
Manifest26159c40a45e1439bfd2c4e279eafa65429711775d818f286588888158a3e5ef

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
SignatureoLQI0bFw/1kBax/jPT9el66cWzkIhf8DyWNSvXIabVmEAkxLkdLGiwiTl3Aedg1aW+0TripadD/gcJyFfec1BA==
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

2026-09-17T10:22:12.277961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072395
observed 87c118a17f4375fc31ccc9a81c26c7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.260658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072395/manifest.json
observed 26159c40a45e1439bfd2c4e279eafa65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.242254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072395/publication.md
observed 644398c0cfce2fb4b0368a03edd4bddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.224189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072395/publication.txt
observed f8eac675439fcdf1b411f6bb8229542e...
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.