OpenTechnical

OT-2026-000069473

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000069473) never changes.

Identity and time

Publication numberOT-2026-000069473 · never reused
Internal UUID01a0ae90-b52a-722c-9c67-b6055dd6bc58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069473
StatusPUBLIC

Content hashes

Canonical text9f7f48a13232f53193e6c8156404142c987ad19c19311506f38a08b2236474a4
Markdown7d3497cd474f7b074be232a37f05df7d571a0a63651d94a9fe5a8c421d3ea335
PDF
Publication pagedb6639963413a6ff3084793fa19f80f9e8a5ae2353d25a807e01327aa463b563
Manifesta481e88c79d425735ebb8cf81693c4e87b585302a570efa1c84dd836eb53499c

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
SignaturePRP+wJs2NfOBzjYDhpuySw2Yzxu0Ka2xx8nyDNhynHZG+K9pPAplvLhtb7oSdWaAKUWir264pI18rZ0H4EGKCw==
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

2026-09-17T10:30:32.975760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473
observed db6639963413a6ff3084793fa19f80f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.954435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473/manifest.json
observed a481e88c79d425735ebb8cf81693c4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.927941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473/publication.md
observed 7d3497cd474f7b074be232a37f05df7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.911194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473/publication.txt
observed 9f7f48a13232f53193e6c8156404142c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.700084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473
observed db6639963413a6ff3084793fa19f80f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.677198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473/manifest.json
observed a481e88c79d425735ebb8cf81693c4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.660472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473/publication.md
observed 7d3497cd474f7b074be232a37f05df7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.643378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069473/publication.txt
observed 9f7f48a13232f53193e6c8156404142c...
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.