OpenTechnical

OT-2026-000020336

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000020336) never changes.

Identity and time

Publication numberOT-2026-000020336 · never reused
Internal UUID01a0ae6f-437a-7810-8f84-7375c2adc909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020336
StatusPUBLIC

Content hashes

Canonical text07e65037d0777065ef52d6c494e6c3a9ff7678ca13ef9a84a64da24c28432e2e
Markdown2f705e715c94769b4461c40901a48bcb9bf3a497be44bb968a19dc233dafda51
PDF
Publication page4a9b244c5ececc1a7713448d18d9940c4ccc47c6e5eb47d5937e3d0d7f550f28
Manifesteb576a7c1c46a140c36f11a6377ab987b7b8adea3efc5a664912b814c9a48269

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
SignatureP9KF/2gp+ORgNCNBo6kuN2hAn135ZM43vtR3UVcnbON1L7ETyQtHxIr8G1rOeJIliwpI4bHFSJ/btltWKgXNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:00:06.779919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336
observed 4a9b244c5ececc1a7713448d18d9940c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.760957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336/manifest.json
observed eb576a7c1c46a140c36f11a6377ab987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.736824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336/publication.md
observed 2f705e715c94769b4461c40901a48bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.717127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336/publication.txt
observed 07e65037d0777065ef52d6c494e6c3a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.375739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336
observed 4a9b244c5ececc1a7713448d18d9940c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.356077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336/manifest.json
observed eb576a7c1c46a140c36f11a6377ab987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.336977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336/publication.md
observed 2f705e715c94769b4461c40901a48bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.317118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020336/publication.txt
observed 07e65037d0777065ef52d6c494e6c3a9...
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.