OpenTechnical

OT-2026-000054708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000054708) never changes.

Identity and time

Publication numberOT-2026-000054708 · never reused
Internal UUID01a0ae86-1284-7b2e-bdaf-28f4f9d76f6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054708
StatusPUBLIC

Content hashes

Canonical texta576372474068354f2db67caed8cf5f0fa7dc1a165ec35e17ceeea661968ba43
Markdown7ebc9f5020ae2e59bca5063b5e3d2b66c23a01962583178275fd98fa47006e70
PDF
Publication pagecd1247c0ac0d7844119cd30ef119ffcecf02021d297c51d036a18b2ea246af74
Manifest632076e3d171b27cde2dc27c7041073d2f4f9679acb5c615c774db996ca01ae6

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
SignaturemsH7ZnJpd2XNrFv9g7fvQLWV2hRAAixzo9c1xXRJC9st5U4iXXDnxqy5FtOqp3D/cX9IOo2o2935eV+3WfZrBg==
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

2026-09-17T10:53:48.096444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054708
observed cd1247c0ac0d7844119cd30ef119ffce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.078458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054708/manifest.json
observed 632076e3d171b27cde2dc27c7041073d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.059669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054708/publication.md
observed 7ebc9f5020ae2e59bca5063b5e3d2b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.039971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054708/publication.txt
observed a576372474068354f2db67caed8cf5f0...
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.