OpenTechnical

OT-2026-000011961

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000011961) never changes.

Identity and time

Publication numberOT-2026-000011961 · never reused
Internal UUID01a0ae6d-1942-76cf-b3de-709784bbf2c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011961
StatusPUBLIC

Content hashes

Canonical text693af627e9aae284516285e6eff13fb274bccfd3a2d9bf3796654742ea837cb2
Markdownab5f898288275ddf9090ea9672f69decef305593d67759bb6a0e75b0b554f381
PDF
Publication pagea642434922ae6a9353f642f97785312d2c13c3d566bab3c6c2451688b6ee1335
Manifest81250c19d7fbc42f495f7fb1594a40d6731815e1af41d50b2b8a840afc5f6037

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
SignatureZWHnCBj8OM9kkHn9hdVtmu+mHpjpjo0pU7+krTesBOsWCA2zvniGnE5tUhIlfU2G/sLcJAjZWECthwRn1a5tAQ==
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

2026-09-17T12:12:48.671602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011961
observed a642434922ae6a9353f642f97785312d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.652698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011961/manifest.json
observed 81250c19d7fbc42f495f7fb1594a40d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.632316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011961/publication.md
observed ab5f898288275ddf9090ea9672f69dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.614137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011961/publication.txt
observed 693af627e9aae284516285e6eff13fb2...
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.