OpenTechnical

OT-2026-000084483

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084483) never changes.

Identity and time

Publication numberOT-2026-000084483 · never reused
Internal UUID01a0ae98-5b63-79b3-8447-f0b9c83477f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084483
StatusPUBLIC

Content hashes

Canonical texta12adb35e699fddd69784bb0bbee03470b5e87abb8316a506faa903643b3cc96
Markdown7c6e0a2ad006ab93edc532535f77603eb01f1bb1d662450a5e8e6fc042edefb0
PDF
Publication pagedb21a395fe4bd6d1aa07d97778d538beb9d7aff6dcb6b77261fc6865e6a83e0a
Manifest61457a8a1be1f19fca3339be0ee26ba8d76d0a988765f755e9c7a21a978557e4

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
SignatureF5A1A4lvotWoWbE42AkqQo1Xq7mXyX9++qlQNXPakMEdGGrIuVA5AlWJ5GPHB3WnloBp0iROXMQyTImujOL6DQ==
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

2026-09-17T09:56:27.064554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084483
observed db21a395fe4bd6d1aa07d97778d538be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.048625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084483/manifest.json
observed 61457a8a1be1f19fca3339be0ee26ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.032443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084483/publication.md
observed 7c6e0a2ad006ab93edc532535f77603e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.016193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084483/publication.txt
observed a12adb35e699fddd69784bb0bbee0347...
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.