OpenTechnical

OT-2026-000019459

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed blow-off before set-down

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-2026-000019459) never changes.

Identity and time

Publication numberOT-2026-000019459 · never reused
Internal UUID01a0ae6e-f393-71da-b9ed-c6beb11d4319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019459
StatusPUBLIC

Content hashes

Canonical textfaf2a629a194f6e334f4b1221d818a7bf9ddf0344de46ce0188fdefcd398c0de
Markdown5200452118676103679ab1c7e8b543db831682a688680254dd6317ab5234216c
PDF
Publication pagedc763372f7305dae5095c57193048e236e0eb0f4b9d2d4ae0207a89dac66a852
Manifestf8d84000843b465f8d05daa8fdb7aa69c8c06bb7f4996f69c357a803408137e8

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
SignatureUm3f+7E1t1gLxW0xNvWKb42yZOz89NeUI332PA0sO1rrj9Xmldc4Lc/K4lTExZ5RzDO+TC23DSK9N+lwTFUGCQ==
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

2026-09-17T11:58:51.755157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019459
observed dc763372f7305dae5095c57193048e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.735339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019459/manifest.json
observed f8d84000843b465f8d05daa8fdb7aa69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.711909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019459/publication.md
observed 5200452118676103679ab1c7e8b543db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.693787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019459/publication.txt
observed faf2a629a194f6e334f4b1221d818a7b...
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.