OpenTechnical

OT-2026-000074795

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074795) never changes.

Identity and time

Publication numberOT-2026-000074795 · never reused
Internal UUID01a0ae93-ac2c-76d7-a050-03dd7703d4eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074795
StatusPUBLIC

Content hashes

Canonical textd4558f06bbfb576566b2ded0d033e88a2bd1ec048346f83279aef70f40877344
Markdown02fc1b7ad2ad0694880af336e9a4e6b6a8ab0069698d3aed39b0b88986d637b8
PDF
Publication pagea6161ab46b209815a8ed3a0c6fd5b053ae187bd26c8034f796313115082fadbd
Manifest88a36e9901a26b54b34808830b28592ac0c60d7775ca81bde43bb752c0a56534

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
SignatureK9RmpMCm+7Lgpd+yR4kJ6K3bh8Dw+HN/bMQ/oCY5uENQasOgzWCSfPb5Iwym65o7JE5CziQ3l7QFpGe32REvCg==
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

2026-09-17T10:18:29.854757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074795
observed a6161ab46b209815a8ed3a0c6fd5b053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.837468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074795/manifest.json
observed 88a36e9901a26b54b34808830b28592a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.818454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074795/publication.md
observed 02fc1b7ad2ad0694880af336e9a4e6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.801046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074795/publication.txt
observed d4558f06bbfb576566b2ded0d033e88a...
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.