OpenTechnical

OT-2026-000011335

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, vented 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-2026-000011335) never changes.

Identity and time

Publication numberOT-2026-000011335 · never reused
Internal UUID01a0ae6c-88fe-7bda-b6b3-9bc3c70039af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011335
StatusPUBLIC

Content hashes

Canonical textd5e62446a0b5c0cd01411384ef1dfe761bd5125fb405441c2cafd7552fa269bf
Markdown8d21314ed09a97b15f70417df493ee8200df2ed3674e1b2fa830d01ae2fa1fea
PDF
Publication page9c7f588bb900317075135a3b3e1979826b13da73ba3173eff67842d8aba54d3b
Manifest03758a0dfbb09e94d4bcb72eb39804381976ba4210055117330e215ec65870cb

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
SignatureBUjxDGJuf0GS/3dPtIWKoMPNOqB2vMHEH7Q2NIfqWedGV7rs6IG8zFgBckjuQGNHAVrNKvZGsZdh0M7QOv6LDg==
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

2026-09-17T12:13:03.703112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011335
observed 9c7f588bb900317075135a3b3e197982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.683239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011335/manifest.json
observed 03758a0dfbb09e94d4bcb72eb3980438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.664692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011335/publication.md
observed 8d21314ed09a97b15f70417df493ee82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.643499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011335/publication.txt
observed d5e62446a0b5c0cd01411384ef1dfe76...
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.