OpenTechnical

OT-2026-000087483

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087483) never changes.

Identity and time

Publication numberOT-2026-000087483 · never reused
Internal UUID01a0ae9a-cd51-7e70-a3fe-ec6894423e92 · 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-2026-000087483
StatusPUBLIC

Content hashes

Canonical text6278ac68c941b2ac1a567495aa5d19918b1fdbf777ee8fa5355c0682243baace
Markdownf7400d7ac5178e76f334ca7e749408b12008e7f7f3e933ec3ac10ad12ad16c45
PDF
Publication pageb8f136d4f68a58f128efde9d86904966b1c115e16740a9cd897c648d39140480
Manifeste2f347972dd307ab4956c8f4b2623f495c0150a138bd2354528c63f0d13216a5

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
Signature4lXD3yMvjyhnZeCBYwCtjOsnxhf9rjWUohMWHyV1A941qzDV6O3OQH5dwSXMIlzdzlYP8IC0NFv9eJH67d3lBA==
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

2026-09-17T09:50:48.493387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087483
observed b8f136d4f68a58f128efde9d86904966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.475079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087483/manifest.json
observed e2f347972dd307ab4956c8f4b2623f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.457878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087483/publication.md
observed f7400d7ac5178e76f334ca7e749408b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.439595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087483/publication.txt
observed 6278ac68c941b2ac1a567495aa5d1991...
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.