OpenTechnical

OT-2026-000042526

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000042526) never changes.

Identity and time

Publication numberOT-2026-000042526 · never reused
Internal UUID01a0ae7a-c0cd-7701-9ed4-03229c8c97df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042526
StatusPUBLIC

Content hashes

Canonical text10ccce2606364d9ff7a4c496fd325a054eda52fce893a53deb0022acc088d572
Markdown410cd9c77052cbdd48c3f1dd0c8b74196668fc085475d60e6ee92a26a73b576a
PDF
Publication page600ae28c7d9702d363bede40a9af6b0bed27b0163565b458bd7130bec30fc810
Manifest33474d45823205c5c528f0bf170f333b1c0b995855643e48c602779e7380ec16

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
SignatureI1TG+3lFT8mv/0J0hrDfHU+3wSXwZlJUsnwCK7e40B3vCr9t5wnTSQh4RujjSAPvQwcWM0gTdhReY9bvZ6JXDw==
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

2026-09-17T11:14:06.728995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042526
observed 600ae28c7d9702d363bede40a9af6b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.710844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042526/manifest.json
observed 33474d45823205c5c528f0bf170f333b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.690684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042526/publication.md
observed 410cd9c77052cbdd48c3f1dd0c8b7419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.672718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042526/publication.txt
observed 10ccce2606364d9ff7a4c496fd325a05...
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.