OpenTechnical

OT-2026-000079921

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000079921) never changes.

Identity and time

Publication numberOT-2026-000079921 · never reused
Internal UUID01a0ae96-4377-751f-97db-0b5477839b71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079921
StatusPUBLIC

Content hashes

Canonical texte6993a7055379dd94a586d4c3a3ebdb87a9ed454d76a881dabac52ae16fe4b33
Markdown92450eb40bbdc1412c4d85f417775192492e9a1d3c8e2b124517001a35d95bf1
PDF
Publication page4603d260631511c5928857eafd35e54458b030c941cde4169b5a6213c7bcd87b
Manifestc6e7f1b59a6b15a153cde82760f96c447dc9e7506030aeeec8c741b51939dcf6

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
Signature60SpeUIzXBf/bXBIMuKbRMIBIySin5e5k5wL7FrTnbDhmyowQ1CMPJ5rT/d2y70hpPWke7tDjZPyTszznjmuCg==
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

2026-09-17T10:03:49.368591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079921
observed 4603d260631511c5928857eafd35e544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.350272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079921/manifest.json
observed c6e7f1b59a6b15a153cde82760f96c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.330639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079921/publication.md
observed 92450eb40bbdc1412c4d85f417775192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.312277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079921/publication.txt
observed e6993a7055379dd94a586d4c3a3ebdb8...
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.