OpenTechnical

OT-2026-000077939

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000077939) never changes.

Identity and time

Publication numberOT-2026-000077939 · never reused
Internal UUID01a0ae95-2ed1-77a8-bc1f-baa7058da886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077939
StatusPUBLIC

Content hashes

Canonical texte18b9964c2c6ff98437ce63c709e49405810b99b66d04f5dcd077abe03798a6a
Markdown4537dfd7ef9e47966361564d9f1b6702ecf8d375d74a16a33196998382c12f3f
PDF
Publication page78dc5d383a95297465c4f4bdf31468c6aebe1a2cafdb8b4d146290a353dfde77
Manifest0c3a3ef8955d74dab7de4d498f1fb625ce356f68a3d08c2ded49c363def205a7

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
SignatureeY0AH3kRSuNYHrGrMs3Wsf0ajbC03IZQ9Nzr/1eyJl3toto3a43mNyVjmv+XvffMwHsbebvOxK+oy4iaIq5BAw==
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

2026-09-17T10:10:15.967702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939
observed 78dc5d383a95297465c4f4bdf31468c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:15.939921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939/manifest.json
observed 0c3a3ef8955d74dab7de4d498f1fb625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.953583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939/publication.md
observed 4537dfd7ef9e47966361564d9f1b6702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.770584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939/publication.txt
observed e18b9964c2c6ff98437ce63c709e4940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.126020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939
observed 78dc5d383a95297465c4f4bdf31468c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.106498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939/manifest.json
observed 0c3a3ef8955d74dab7de4d498f1fb625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.087343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939/publication.md
observed 4537dfd7ef9e47966361564d9f1b6702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.031184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077939/publication.txt
observed e18b9964c2c6ff98437ce63c709e4940...
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.