OpenTechnical

OT-2026-000047071

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047071) never changes.

Identity and time

Publication numberOT-2026-000047071 · never reused
Internal UUID01a0ae7e-d0f8-7fef-aa92-707b009ed8ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047071
StatusPUBLIC

Content hashes

Canonical text64397b94808988b1429f31f8cb672d303c5704d04ce0e44fb11351ffc5094d3f
Markdown13969fdd8119f1eaf26d0e58e537a440b700bb310c8136968329f57756d982b3
PDF
Publication page65077e0262209ef3d23f4ac0bbc4275fdf02899700acaa45112be21dc5e11ca1
Manifest6034b5f58a0bad02c6a10cc1079dd81fd5ada0803d9932766e8b185d7f698fd5

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
Signature9F0+Bfm9/Ftco1rkd5EqZn3YohMZV9QDhsgB67hfe5VOOqmeMqYu7QRA+Anm1sBoEFiTfdO8mPBXmhStiQnrAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:10:22.654908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071
observed 65077e0262209ef3d23f4ac0bbc4275f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.482902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071/manifest.json
observed 6034b5f58a0bad02c6a10cc1079dd81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.462488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071/publication.md
observed 13969fdd8119f1eaf26d0e58e537a440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.441772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071/publication.txt
observed 64397b94808988b1429f31f8cb672d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.826032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071
observed 65077e0262209ef3d23f4ac0bbc4275f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.807997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071/manifest.json
observed 6034b5f58a0bad02c6a10cc1079dd81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.787725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071/publication.md
observed 13969fdd8119f1eaf26d0e58e537a440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.771055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047071/publication.txt
observed 64397b94808988b1429f31f8cb672d30...
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.