OpenTechnical

OT-2026-000014447

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000014447) never changes.

Identity and time

Publication numberOT-2026-000014447 · never reused
Internal UUID01a0ae6d-b27b-749f-ae9b-7d245decaab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014447
StatusPUBLIC

Content hashes

Canonical textd4f971ee5bec46a356f26fb3cb5fc8baed5d6bc1373ab3232810c580d3da0036
Markdownd8fb8b9f35019fdd81602e90b3b4ac2466da2ea252190da53d5de0addad07eb2
PDF
Publication pagec5d8057cad986019fff6502e308b1a82bebd8f974a4aa72045124c054e40daa9
Manifestb22dfd927cc46e2e4109dc425aa802db52beba2c91d6d7708f1ce41d7a231f9f

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
SignatureARtoOdGKzw4w9lygPfAdTIEazZSTeD66pV/jzSbYHYQry7/TSlMAdZYyBQOvD0YRGk79RZNnCO7fkL/X7gb3BA==
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

2026-09-17T12:10:13.372404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447
observed c5d8057cad986019fff6502e308b1a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.354304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447/manifest.json
observed b22dfd927cc46e2e4109dc425aa802db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.335580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447/publication.md
observed d8fb8b9f35019fdd81602e90b3b4ac24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.316854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447/publication.txt
observed d4f971ee5bec46a356f26fb3cb5fc8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.333386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447
observed c5d8057cad986019fff6502e308b1a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.316218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447/manifest.json
observed b22dfd927cc46e2e4109dc425aa802db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.298183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447/publication.md
observed d8fb8b9f35019fdd81602e90b3b4ac24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.278155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014447/publication.txt
observed d4f971ee5bec46a356f26fb3cb5fc8ba...
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.