OpenTechnical

OT-2026-000078847

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000078847) never changes.

Identity and time

Publication numberOT-2026-000078847 · never reused
Internal UUID01a0ae95-ccbd-7231-8a84-6b128da8044f · 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-2026-000078847
StatusPUBLIC

Content hashes

Canonical text902815d61eab07715c72bcd560da149d7c13b9cb2f349268c5b91257d749e787
Markdown3d153d778b2bb83c602c0f562131d69cfd68a9406f66c5b099fa34f02ebaf51d
PDF
Publication page308347e0ef83e5ac4c8c6b1577e9e8146a6da5130ec38c2e45a9772721fbde95
Manifest3b0ca5150aec75fee6743c76690c9bcca55724a814e26dbed28aa7d8270bf92c

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
SignaturetAJg23V3maq6QKLlINCTrGKqehZ+VFXSwZMdF5EDLORo+rb+iUxzJZrRorqm6l6tHgSo5vZxnXf7Ghn1Pad0Ag==
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

2026-09-17T10:05:38.749148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078847
observed 308347e0ef83e5ac4c8c6b1577e9e814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.731441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078847/manifest.json
observed 3b0ca5150aec75fee6743c76690c9bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.711203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078847/publication.md
observed 3d153d778b2bb83c602c0f562131d69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.692296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078847/publication.txt
observed 902815d61eab07715c72bcd560da149d...
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.