OpenTechnical

OT-2026-000076953

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000076953) never changes.

Identity and time

Publication numberOT-2026-000076953 · never reused
Internal UUID01a0ae94-b071-75b7-b13c-1f17d9e6ad7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076953
StatusPUBLIC

Content hashes

Canonical textccb27d6098520db3b3decfbf09deacbd1bef3fc660a1624b5db120a50eeb8435
Markdown0a92c1d637fe7ce338192a7b1c988d7b982455ed5aa632ca6e89bf4843bd3d8f
PDF
Publication page386655e1e1b5186e8da4a647340afe3c1c1b29401f6e29864f8e5f7ac1a418a6
Manifest31232726ae2849a91bfc6150f296318f3bd6b0216eb6283c54d746dcf90b5506

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
Signaturexp+3fx957Uuu+S8S5DdR8llZL38zYtRoTx95TeQX5DL+1V6ec05kKuVNRzRc6p09sk/4sP7MK2Xu6ewWrmj1CA==
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

2026-09-17T10:10:08.052657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076953
observed 386655e1e1b5186e8da4a647340afe3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.995599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076953/manifest.json
observed 31232726ae2849a91bfc6150f296318f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.538336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076953/publication.md
observed 0a92c1d637fe7ce338192a7b1c988d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.518761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076953/publication.txt
observed ccb27d6098520db3b3decfbf09deacbd...
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.