OpenTechnical

OT-2026-000078689

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078689) never changes.

Identity and time

Publication numberOT-2026-000078689 · never reused
Internal UUID01a0ae95-ccbb-7ccb-9827-3d0e74712e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078689
StatusPUBLIC

Content hashes

Canonical textcec4a3b99f7f4dcbdaf5feb1e32cb7df7f084dd6da5288c4e5a295ade17f216b
Markdown7295b932d263dc2da40dd3a2aa595d223c95b1046d8200e9457eb0710db619a2
PDF
Publication page06b170aefd0aa2bb506b7c819a8d977a2308e1355bcd2c414acb3d1c518cd220
Manifest6c473fa9d1ac6d93caf8250b4afaed38a06f68e46423a43c96ee50d693aa6662

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
Signature6OteLMGV0TLmfDiKQbcDbOEfC1Sao04ns+V/wMYTxCriLvKJZ451qewQXc5dy/9eCzqs8iK/QU33Qk2ubTtBAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:28.093400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078689
observed 06b170aefd0aa2bb506b7c819a8d977a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.076708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078689/manifest.json
observed 6c473fa9d1ac6d93caf8250b4afaed38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.059687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078689/publication.md
observed 7295b932d263dc2da40dd3a2aa595d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.042585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078689/publication.txt
observed cec4a3b99f7f4dcbdaf5feb1e32cb7df...
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.