OpenTechnical

OT-2026-000041571

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000041571) never changes.

Identity and time

Publication numberOT-2026-000041571 · never reused
Internal UUID01a0ae79-e89f-73a6-a04e-b972603491cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041571
StatusPUBLIC

Content hashes

Canonical textbc0131e0190665dbfa460a2a4fcf91d17b80cc9106256088744e9393cf31b33b
Markdowne7ef2d50930b16238c35c60063a7f37d192010ca25544610259c7c9b679c8987
PDF
Publication pagea43cdd5258861eb286cc1fa3b8deeadbe151c002fd25628b44c4b8759de08a40
Manifestacc5a511113892e054aa4d81220916332ae24f07337c4cf5746436bd456f0ec5

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
SignatureW7fGQ7S5GxYFOsXJK5STT41P2UD+xQerbp3HdCMOrGNMsbAUcBwNUeOchXq13i8evh5+CiycYbZxZ8aU5uPvCg==
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

2026-09-17T11:16:21.206694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041571
observed a43cdd5258861eb286cc1fa3b8deeadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.190332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041571/manifest.json
observed acc5a511113892e054aa4d8122091633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.173454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041571/publication.md
observed e7ef2d50930b16238c35c60063a7f37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.151841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041571/publication.txt
observed bc0131e0190665dbfa460a2a4fcf91d1...
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.