OpenTechnical

OT-2026-000075577

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075577) never changes.

Identity and time

Publication numberOT-2026-000075577 · never reused
Internal UUID01a0ae94-29fc-7909-af3d-317558945b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075577
StatusPUBLIC

Content hashes

Canonical text903e70ead5f75643fdc8e40ba37efbdb44dd83d5edb76d90107c046829b1e580
Markdown693b6979b4e1662e1fac0cf7a6cb29be9f475814e78c679cac636bb49110ce12
PDF
Publication pageaff5f5b34f5b078e96224b9818f95edc14af11f8a5cc9cd931af278d7ddf6db9
Manifestc4202453e4e3a997d062e97673215a812228c30ba4f5ee30575b6209a74e93cd

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
SignatureB2UU47Wx0d3Vr3JIi2lmToZG3bizEDf2JwD61QpSp2VsFDKfwmE6joLM3PC7sPah9XIvhTIcqbMdIRYWoXrtDw==
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

2026-09-17T10:13:11.728063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075577
observed aff5f5b34f5b078e96224b9818f95edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:11.706788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075577/manifest.json
observed c4202453e4e3a997d062e97673215a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:11.561864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075577/publication.md
observed 693b6979b4e1662e1fac0cf7a6cb29be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:11.541231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075577/publication.txt
observed 903e70ead5f75643fdc8e40ba37efbdb...
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.