OpenTechnical

OT-2026-000077567

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000077567) never changes.

Identity and time

Publication numberOT-2026-000077567 · never reused
Internal UUID01a0ae95-2ece-7c4f-b0a9-ebd2b148a807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077567
StatusPUBLIC

Content hashes

Canonical text70691ce981f7bca30cde351accad008253f5b7e8bc78f1ccda982feef7406ca8
Markdownf14f628ea8aba6b79cc83313bb5ba32f158f68f357ebef25e2ca0b230871fcbe
PDF
Publication page7813751cc8e2331e3b1ebb9f66f62013a8d29cc6b0a4fbcd73bed1b7b04af05e
Manifest081c071cbabdf2949f998c92405af4e0f0da2c7e8416e31d4f5efa15a91a27f6

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
Signaturecfin3rnEU6hy32HAE9QZIFH6M+YobU+IbOF99pa3oz7LNmJVF7glII+AzdTIt6HhbAhtDO1JiUxT2dEcDhNfBQ==
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

2026-09-17T10:07:02.795370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077567
observed 7813751cc8e2331e3b1ebb9f66f62013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.777986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077567/manifest.json
observed 081c071cbabdf2949f998c92405af4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.759528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077567/publication.md
observed f14f628ea8aba6b79cc83313bb5ba32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.740134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077567/publication.txt
observed 70691ce981f7bca30cde351accad0082...
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.