OpenTechnical

OT-2026-000047107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000047107) never changes.

Identity and time

Publication numberOT-2026-000047107 · never reused
Internal UUID01a0ae7e-d0f8-7246-a9b7-9da8d8ff1681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047107
StatusPUBLIC

Content hashes

Canonical text38cbbc25cf8b33324c47250158969bd6d8a634898f289bda8ca64a82e3c065ad
Markdownf8e7f61a3f2ab68d2e6380166c587f8d050e7b265f0080e5872e726e0de76403
PDF
Publication pagefa9b656248b2a731f941b247a27107c249bedd6a1a84930636bf708cb07ae1c0
Manifest4b4fcfe195e687c214bfbc6c7959718756e2026ee11ca3d9f85ad4746b97e4e7

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
SignaturevFOWrM7QkP9NukGJI/IPbHVjiYREHcv5E1iRjSOPfvITi1rOf1AcgY2litJzagNF4FSQRnwtODI+5AmrbCdgBA==
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

2026-09-17T11:10:25.880470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107
observed fa9b656248b2a731f941b247a27107c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.861137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107/manifest.json
observed 4b4fcfe195e687c214bfbc6c79597187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.843330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107/publication.md
observed f8e7f61a3f2ab68d2e6380166c587f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.824100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107/publication.txt
observed 38cbbc25cf8b33324c47250158969bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.104607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107
observed fa9b656248b2a731f941b247a27107c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.085325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107/manifest.json
observed 4b4fcfe195e687c214bfbc6c79597187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.066622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107/publication.md
observed f8e7f61a3f2ab68d2e6380166c587f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.047712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047107/publication.txt
observed 38cbbc25cf8b33324c47250158969bd6...
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.