OpenTechnical

OT-2026-000009578

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, sustained blow-off after 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-2026-000009578) never changes.

Identity and time

Publication numberOT-2026-000009578 · never reused
Internal UUID01a0ae6b-7563-7106-b286-5b515a141bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009578
StatusPUBLIC

Content hashes

Canonical text97a51ebcbde5862e344eb81d7c99affd1b92f80885d983f842638558d453ac49
Markdown3c1023c7851cca07f106dd5e5ddd78388952507cab32056eb29730828d114ee2
PDF
Publication pagef48248dd8d806e3654145fb354c3925335c6156dacfa711860aed0518ba5f341
Manifest759493f14d61778ec3fcec38aec8c3ba55057f917658b485217949d6fc2bf34c

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
SignatureptbuVzgavHODGyQqKdlxMmrUngbd7xBCbQt1bfiJSXBssZH53A8NVSLD6h0Tq4O3P+lGeNfgulakEC+zQ/bIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:01.000328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009578
observed f48248dd8d806e3654145fb354c39253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.982680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009578/manifest.json
observed 759493f14d61778ec3fcec38aec8c3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.962527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009578/publication.md
observed 3c1023c7851cca07f106dd5e5ddd7838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.942018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009578/publication.txt
observed 97a51ebcbde5862e344eb81d7c99affd...
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.