OpenTechnical

OT-2026-000072782

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000072782) never changes.

Identity and time

Publication numberOT-2026-000072782 · never reused
Internal UUID01a0ae92-89da-70bf-bfeb-3bb9646bd9eb · 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-2026-000072782
StatusPUBLIC

Content hashes

Canonical texta2115a35b496a77e09f7a5faaf96e1b5d61de77799e68cafff9b22b13e946968
Markdownebfdd029c9a992732e0a4e5d98373b99ea8bbe41837aa912817a850013385601
PDF
Publication page430a36504ca177abd20f07f2d56e614ff23b393cc03cfd0a523119c0d7ef0cc1
Manifeste0659fc740ce1e73b8c6609bf153894cf354fde75856245188fec6df6e5b4c01

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
SignatureCkgR2j21BtMl7INjetWsgFzlKgykYDxrjpX+IqIu9Ijz+1+fImV9wr8YdSYNWYRs/Zg5sHXtSaVl86fYRHCwCA==
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

2026-09-17T10:22:41.611061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072782
observed 430a36504ca177abd20f07f2d56e614f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.593943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072782/manifest.json
observed e0659fc740ce1e73b8c6609bf153894c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.575269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072782/publication.md
observed ebfdd029c9a992732e0a4e5d98373b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.555951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072782/publication.txt
observed a2115a35b496a77e09f7a5faaf96e1b5...
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.