OpenTechnical

OT-2026-000053191

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line 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-2026-000053191) never changes.

Identity and time

Publication numberOT-2026-000053191 · never reused
Internal UUID01a0ae84-a432-7ab6-83cc-fc99ba966b6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053191
StatusPUBLIC

Content hashes

Canonical textaeba12246ac950ab51976cf7064066b3cc41861b894c1eadc569e5a193f840d6
Markdownd40533c1e6a82a02fd56b64eb0722cbdb1d7cd8bc94fbed62184dedafc2b40a0
PDF
Publication page434c240fcd461d50f4f753c9c6cff7ab2b387e92f88bec855a160164d6953199
Manifestb2e4fccac62655dcda3d166e0d1792ca09185bbbaba734e67b2cd5e1596aea1a

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
SignatureGzaaczdBWNiHsntPEqpXIkyvCAlGgEJ/LaAQ9kTBOnfq30Yx0Fz72ICQzR0EbhTOONThP5EZXyAOdP+Y17u6Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:01.136063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053191
observed 434c240fcd461d50f4f753c9c6cff7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.118895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053191/manifest.json
observed b2e4fccac62655dcda3d166e0d1792ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.101930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053191/publication.md
observed d40533c1e6a82a02fd56b64eb0722cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.082908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053191/publication.txt
observed aeba12246ac950ab51976cf7064066b3...
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.