OpenTechnical

OT-2026-000016901

Publication integrity record

Three cup vacuum gripper, three 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-2026-000016901) never changes.

Identity and time

Publication numberOT-2026-000016901 · never reused
Internal UUID01a0ae6e-591a-71a7-83fd-c6f28352ce77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016901
StatusPUBLIC

Content hashes

Canonical text5452dbdce6e9bcf4a805fe03305a4246e147e6f2767b0b65d1b12d4061cc706c
Markdownd296292de2c78e3806a8d768ff73ec15489885eb64f8c66e039e1f97a2ed8fbe
PDF
Publication page075baeae04135dcbb237890c2a6a8e7cd569faf6d8375fce4a2ff7383e6b746c
Manifestb4e2c7a958546c72ef04fec24089405ca54757bc613e6e76e270a23671fabe5c

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
Signaturex7ADlGcDhvB+Fipb9TJpoGrYCJWES4PbuWc8Ul5XhsQHUMREG7BdHZqAvOiXBFq/a2Vb6sgotiU9IcrfYn7HBA==
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

2026-09-17T12:03:10.695045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016901
observed 075baeae04135dcbb237890c2a6a8e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.678551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016901/manifest.json
observed b4e2c7a958546c72ef04fec24089405c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.662605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016901/publication.md
observed d296292de2c78e3806a8d768ff73ec15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.644807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016901/publication.txt
observed 5452dbdce6e9bcf4a805fe03305a4246...
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.