OpenTechnical

OT-2026-000013711

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000013711) never changes.

Identity and time

Publication numberOT-2026-000013711 · never reused
Internal UUID01a0ae6d-8de8-7c93-a0a1-ffb758753447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013711
StatusPUBLIC

Content hashes

Canonical textf181a68c1523f35d4d43066044fa640c1da377367b90f9420a203609f7618454
Markdown88636518568444f2287fe78d63823ca7d3736d35b0618a36c1c3efff063e7bbc
PDF
Publication page8e4b1d2bbbe7d8f84e7cb5b066282f0b5c30eb67f5fd3bf841cac2f3b3af3305
Manifest9a58ba240dcc2ed6e36d42d8ab4b60d06f140a6b964af53e9eea011601d57c86

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
SignatureQkY0fxBm8tyy6BuGpn6/B1oyvZ0UgYWRCUZ5dYW+TdwPlW3tP8vS1YhouolQO0ifsOUbDybiJUFqOdSmKwTuBw==
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

2026-09-17T12:08:40.274215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013711
observed 8e4b1d2bbbe7d8f84e7cb5b066282f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.254046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013711/manifest.json
observed 9a58ba240dcc2ed6e36d42d8ab4b60d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.234227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013711/publication.md
observed 88636518568444f2287fe78d63823ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.213753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013711/publication.txt
observed f181a68c1523f35d4d43066044fa640c...
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.