OpenTechnical

OT-2026-000062549

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000062549) never changes.

Identity and time

Publication numberOT-2026-000062549 · never reused
Internal UUID01a0ae8c-0ac1-78b2-a58a-975b32ae90b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062549
StatusPUBLIC

Content hashes

Canonical text435e42494d14f78176872089ac9772a3b37e2ed70ef913ab74f38775b896ae5b
Markdown81de036ed6d6b0a6700f8c75d515aedfe4d7c3c3b4029bf625b70a2b0f07a223
PDF
Publication pagea90c5d267a616558c3867be6169bee6910e90e74de273f05b7659c16990ae11c
Manifesta482abaec1010af69e270e28e33488da6d8166f9ae670808239da806c352ea51

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
SignatureRqOSSsOnT23v1mtLR7wyuLvRFDgc+eWL9rialVd0edTQFsXxIDC+Z+CdYzeePokqURD1VBE8PM/QyF4OgnC1AA==
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

2026-09-17T10:40:01.007064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062549
observed a90c5d267a616558c3867be6169bee69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.988222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062549/manifest.json
observed a482abaec1010af69e270e28e33488da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.968095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062549/publication.md
observed 81de036ed6d6b0a6700f8c75d515aedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.946704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062549/publication.txt
observed 435e42494d14f78176872089ac9772a3...
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.