OpenTechnical

OT-2026-000077739

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077739) never changes.

Identity and time

Publication numberOT-2026-000077739 · never reused
Internal UUID01a0ae95-2ecf-7cec-b574-448ff6c5d9f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077739
StatusPUBLIC

Content hashes

Canonical texta96be73bce68a16a1a1bff76fe10ed8bf330bd1c43910437ebf3464cf9ddfdaa
Markdown5346321fa741cbe726cec2873a74c20e1d400502d6247c9d72270cc591d8006b
PDF
Publication page4bd24155e2007260e8388711fd13769be95f3029f77dcd8dcbbad6606798e780
Manifest48bcdc1410a1c248e39f52999cb151d58f75579cfb34766523682698bc47d31d

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
SignatureEnLZ6abVffKyvrDq7S8prtxQO1xGeGjGfBn0AmgbswNAFD105TfbpCZU3H/4EU09WBSVZmMaHOXCmebrCKRvDw==
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

2026-09-17T10:07:19.073182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077739
observed 4bd24155e2007260e8388711fd13769b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.055814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077739/manifest.json
observed 48bcdc1410a1c248e39f52999cb151d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.035424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077739/publication.md
observed 5346321fa741cbe726cec2873a74c20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.017951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077739/publication.txt
observed a96be73bce68a16a1a1bff76fe10ed8b...
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.