OpenTechnical

OT-2026-000087586

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087586) never changes.

Identity and time

Publication numberOT-2026-000087586 · never reused
Internal UUID01a0ae9a-cd52-7b96-8656-3576d8ecce62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087586
StatusPUBLIC

Content hashes

Canonical text16b8317492ef59ac1fa3eed88933dd631a6ae29e50e8d4172f2679cd1297f2ba
Markdowna591b13e4ddcf0a089ef53397f5a05db4bb2cbec753a7adc3b09d1f9126c14c5
PDF
Publication pagea4b8f38fdd1ccd848b55e386ff9f5e79a9a790ab728a41b2ef30412ab9b9cdab
Manifestd6c1254c0a6c541df78eebcd0f0342053149326a8affec0da733879688b4d60e

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
Signature42vFRkQcxfabO6kLoclPFzdUc339asiMHgY4S/uvRGYovZF7d7MU2rEPEFFX30aH9B3jSz/tQ8DmLWlvHJpBAA==
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

2026-09-17T09:50:56.036872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087586
observed a4b8f38fdd1ccd848b55e386ff9f5e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:56.022161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087586/manifest.json
observed d6c1254c0a6c541df78eebcd0f034205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:56.007036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087586/publication.md
observed a591b13e4ddcf0a089ef53397f5a05db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.991974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087586/publication.txt
observed 16b8317492ef59ac1fa3eed88933dd63...
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.