OpenTechnical

OT-2026-000076435

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000076435) never changes.

Identity and time

Publication numberOT-2026-000076435 · never reused
Internal UUID01a0ae94-6a71-7723-94d7-84fff4e7ca06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076435
StatusPUBLIC

Content hashes

Canonical text2ec6808b71983935b390150b7bbad5ecfbd1372613143fb2093e89d23699fd49
Markdown98dfc5b0ed1de4cf95c70a228975f76f301d6bcd730cdbc64821c6d485db6f30
PDF
Publication pageafd64ced7cc8f430ea5d55f32ea1cdd4b7675369485d058aac42d5b749d17951
Manifestd03bef823c33af45d56ce7a08be5cf2b7a365957a63c5445e3a50487afbcabe0

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
SignaturezvSzfZF/r58NEvkilrZMOGNkYgsbpilTv3rR2I3ltYRhaTc8zOB/i433qKDXg9zchNzUhHL3rrpqqes0VvtnBw==
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

2026-09-17T10:12:27.232867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076435
observed afd64ced7cc8f430ea5d55f32ea1cdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:27.215211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076435/manifest.json
observed d03bef823c33af45d56ce7a08be5cf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:27.196434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076435/publication.md
observed 98dfc5b0ed1de4cf95c70a228975f76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:27.055887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076435/publication.txt
observed 2ec6808b71983935b390150b7bbad5ec...
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.