OpenTechnical

OT-2026-000019960

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000019960) never changes.

Identity and time

Publication numberOT-2026-000019960 · never reused
Internal UUID01a0ae6f-1fb7-74db-bda4-ebb4e7c092ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019960
StatusPUBLIC

Content hashes

Canonical textf742f5607923a06be14b2c7bcccea01010f1973473e2cd69c80e503998bf4201
Markdown1e35fce205f04351ec938ea9d9347b3b8ac5a4e0bb8ca42e7e14a1f17e1b2c1c
PDF
Publication pageddb30f55ae83d38ae88e5842da12f2b9e8f0a4c66ce61b572e49c785d4fd1db5
Manifest464d83d9ec47eb60f261a66f9021365c5bc0b6396f47bf673328b2b44d85c6de

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
SignaturehIJ3ICLp13mmoo+UYAf2w23gDDsXjPfyZNX5IVrhwFXXM6BVHW0rTo+seNoos13Sp9NHg8ffMdk4mI7yqeiaAA==
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

2026-09-17T11:58:11.462386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019960
observed ddb30f55ae83d38ae88e5842da12f2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.443279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019960/manifest.json
observed 464d83d9ec47eb60f261a66f9021365c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.423723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019960/publication.md
observed 1e35fce205f04351ec938ea9d9347b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.405364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019960/publication.txt
observed f742f5607923a06be14b2c7bcccea010...
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.