OpenTechnical

OT-2026-000099823

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000099823) never changes.

Identity and time

Publication numberOT-2026-000099823 · never reused
Internal UUID01a0aea2-c978-7d2e-98ac-37407e864ef9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099823
StatusPUBLIC

Content hashes

Canonical text00d42b3dfaf5da3f5261e7f8c0f2d2b2c09115c0607ec5cc2ac195d36b39bdb6
Markdowna7edc1e094c224bb812d309f624f70c8f4f290a871270878010fab9f7eca8a24
PDF
Publication pagea422147d0504b42e40d31b6b77668402dde4c016024d099df16667529b56f76b
Manifest6b15ccdee7585a584a691aeb88bffce6b9487061f1d80e5fcd101039b5cc0b77

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
SignaturepIshHarTJkZdAAcxKfPxOBKQKggsW8eCrzFAOf4FLsAFV+HFeI0zDOmbr1VbdckXA6Q7KK0cq5KUXBsjimjmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:51.640591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099823
observed a422147d0504b42e40d31b6b77668402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.623558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099823/manifest.json
observed 6b15ccdee7585a584a691aeb88bffce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.606707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099823/publication.md
observed a7edc1e094c224bb812d309f624f70c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.588804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099823/publication.txt
observed 00d42b3dfaf5da3f5261e7f8c0f2d2b2...
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.