OpenTechnical

OT-2026-000014531

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000014531) never changes.

Identity and time

Publication numberOT-2026-000014531 · never reused
Internal UUID01a0ae6d-b27b-74f4-b762-9131427a86fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014531
StatusPUBLIC

Content hashes

Canonical text648fe300344cec223916addc04676ab0a8d46b0fa4b01dabf2589d7cda4dae75
Markdowna7e40e0d32e28e76100531a0713753288558b1f6c4510d843283f6e8bdf7cde2
PDF
Publication pageb5e4984e0584bacd98a967430e50aa32912f24622ca230e3239d3445b3f3ae67
Manifestc2887740deba453a1d96fa9b9f194bd624c27650bb5bfbe583323a52e6cc8398

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
SignatureYT9SvMKA+KiXVcLkJ4+77Z5WwW9Cje9IQaAgKl5p/jnQNhsF5ajn6XJXgShqPrmSA34+dQ/TeozJJ1YwlpSuAA==
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

2026-09-17T12:10:22.514683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531
observed b5e4984e0584bacd98a967430e50aa32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.494181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531/manifest.json
observed c2887740deba453a1d96fa9b9f194bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.474494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531/publication.md
observed a7e40e0d32e28e76100531a071375328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.454571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531/publication.txt
observed 648fe300344cec223916addc04676ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.725900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531
observed b5e4984e0584bacd98a967430e50aa32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.704646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531/manifest.json
observed c2887740deba453a1d96fa9b9f194bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.686290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531/publication.md
observed a7e40e0d32e28e76100531a071375328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.668515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014531/publication.txt
observed 648fe300344cec223916addc04676ab0...
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.