OpenTechnical

OT-2026-000012179

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000012179) never changes.

Identity and time

Publication numberOT-2026-000012179 · never reused
Internal UUID01a0ae6d-39f5-7bfa-9ddb-d3c08284fac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012179
StatusPUBLIC

Content hashes

Canonical textc4f694664b55043c8cd398ad71702bb276d1442a7d49d569617d5d9911e48f61
Markdown19599e938229514e316651306474c9f9692f2fb880f20d1430ad244a05b8b12b
PDF
Publication pageb3ccdce566aacde93f90f24316337705fd64c22d39b8fddba658353f3c29e01a
Manifest527b5465ac43610779d89581a25e5bd467e30e8800f15c8a8d429bd630d14d86

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
SignatureOXJcAVkKpcNVMvfBdTyr0czwOAAjssWFyTlnaBgp/g2VjkzT8Q1YnQdzXz6JmsJF5W1kRODLe8hOxR9IWMUgCQ==
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

2026-09-17T12:11:04.952244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012179
observed b3ccdce566aacde93f90f24316337705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.932877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012179/manifest.json
observed 527b5465ac43610779d89581a25e5bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.914372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012179/publication.md
observed 19599e938229514e316651306474c9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.896126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012179/publication.txt
observed c4f694664b55043c8cd398ad71702bb2...
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.