OpenTechnical

OT-2026-000056502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000056502) never changes.

Identity and time

Publication numberOT-2026-000056502 · never reused
Internal UUID01a0ae87-7af4-7946-9324-3ec50516d55e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056502
StatusPUBLIC

Content hashes

Canonical text7c9e40ffd8b367c71fa3cf7cb33ff5a7d5fac5f024685bb24f9288871833da15
Markdown0ad86db77a81e285b4274b6f7eaad1a6f8d11979df5740ce5f7ffb6961926e6a
PDF
Publication page0808d7e5c07f23193647e2c540f9bf07300e3c8e56fd9c3ee4fa3b581d596aaf
Manifest7ea4f353055effcb10275e4674433e4cff7b47e0fb4ff21749cabc68d1a10f5b

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
Signaturedk4/EmRUd4snLQD6cGY+okibh+gzecUOHluiyzx0jHqvEBDS2QJVSpX4v9HTgJDNVeF+VhnqUMABnMGTUet/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:49.338367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056502
observed 0808d7e5c07f23193647e2c540f9bf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.320173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056502/manifest.json
observed 7ea4f353055effcb10275e4674433e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.303284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056502/publication.md
observed 0ad86db77a81e285b4274b6f7eaad1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.283451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056502/publication.txt
observed 7c9e40ffd8b367c71fa3cf7cb33ff5a7...
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.