OpenTechnical

OT-2026-000011743

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000011743) never changes.

Identity and time

Publication numberOT-2026-000011743 · never reused
Internal UUID01a0ae6d-1940-7fcd-a54d-f5471f6f40d5 · 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-2026-000011743
StatusPUBLIC

Content hashes

Canonical textca9a32ba690770b854b0b133ecbe0a2ecdeb911ba0305742afeba045423a5fa7
Markdownb603f715d29949944660efde0e229ee74f2b05ab1c980e6dae375bcf8d44f68b
PDF
Publication pagea79ea4c48c7a43e90e69b3a3ffceb48b2ac69edec8579e9209ccfe2f04275224
Manifest107703db8b157f70df3a41cd106ea8e318800ef01528fb4cebb8ae9318862dc8

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
SignatureuIn+JIjOtjU7WiEbha0DbgdN7WeeJXtV5lHY8jyBdQ3joDcI5Jy6MKwjO7tOQJS2U089XvQnpQ9D0yH1buD6Dw==
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

2026-09-17T12:12:26.853418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011743
observed a79ea4c48c7a43e90e69b3a3ffceb48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.834443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011743/manifest.json
observed 107703db8b157f70df3a41cd106ea8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.789010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011743/publication.md
observed b603f715d29949944660efde0e229ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.745195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011743/publication.txt
observed ca9a32ba690770b854b0b133ecbe0a2e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent