OpenTechnical

OT-2026-000074366

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000074366) never changes.

Identity and time

Publication numberOT-2026-000074366 · never reused
Internal UUID01a0ae93-7179-7b0a-829f-9e277e7f21a5 · 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-2026-000074366
StatusPUBLIC

Content hashes

Canonical text49236713aa06658857280f49a6ade2f2ea2d7211d0387e6c9a7fe52933844c97
Markdownffbffee1478fb234a0e44f3d5757cd6ac34a723fe41d2d72b97d40dc4db0f2ae
PDF
Publication page59e995203a8e1d2b5754bf3b50e4e294b658e6d2bcb6ab9d06491deb5a09d10a
Manifest889b387ba7caeba8718a4ca9bd279b9be4715e925d50ea360caa1949a0e60ac0

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
SignatureTiA6t1qdumprH33wC3c7RF1bCT2cI9VhokdzCxxswLFmNbNmx06H+b9ljS3J3xptiBfqApaKGKtiNVTswCyMCQ==
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

2026-09-17T10:19:17.626780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074366
observed 59e995203a8e1d2b5754bf3b50e4e294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.607811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074366/manifest.json
observed 889b387ba7caeba8718a4ca9bd279b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.589925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074366/publication.md
observed ffbffee1478fb234a0e44f3d5757cd6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.571610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074366/publication.txt
observed 49236713aa06658857280f49a6ade2f2...
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.