OpenTechnical

OT-2026-000054344

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054344) never changes.

Identity and time

Publication numberOT-2026-000054344 · never reused
Internal UUID01a0ae85-b3a9-7e74-98d7-c0ac34a8bdbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054344
StatusPUBLIC

Content hashes

Canonical text731b60261f090d6d23e52b5a43148d796fc847b1e857c84c53f1477b3e1b8169
Markdownb77a9a7d8a1774a31d0d62d302f64aabfa7dc7552d4240846ee104faf571fde6
PDF
Publication page8ceb8c496d32120afbd449e644972202ebfa70f25a8cc88a63afb8eb8d51762a
Manifestb1f510bf1a0d62b862174f07acf3696b6c1afbe426592bdaf5af71fc338805e2

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
Signature3kbJ890B7YFBMFj2T5uDlcmlM9lEpVSA9kJ+n7WbWlg5sPNkV25eLMHVKFuePY/WdZubOCF+XwrBL6i1Q098Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:51.648220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054344
observed 8ceb8c496d32120afbd449e644972202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.628340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054344/manifest.json
observed b1f510bf1a0d62b862174f07acf3696b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.606904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054344/publication.md
observed b77a9a7d8a1774a31d0d62d302f64aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.587192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054344/publication.txt
observed 731b60261f090d6d23e52b5a43148d79...
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.