OpenTechnical

OT-2026-000062481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000062481) never changes.

Identity and time

Publication numberOT-2026-000062481 · never reused
Internal UUID01a0ae8c-0ac0-775e-b882-2878853b2465 · 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-2026-000062481
StatusPUBLIC

Content hashes

Canonical text75b244cb1739d8cccbb1caf52e891392f7756b8dab5714d6845de8528dcce266
Markdownc76ff7ba265280e9effb3eda9c4bb4386f18ed6f3bc1d8decaa3d2b911129497
PDF
Publication page89630d5ab2f73aaf6ce76c67a87bf877df108d60851f4f63d32b3d9387b9024f
Manifestd64b3e3276cba8969335f345633351b54335f9a586785d75b58688b6cd9808a9

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
Signaturee4SOXcKjNVlyt3zWX5r6ku9kVgRN6p0HBUggMb5VSDSjzVb1WRcHGn4dhuvA/+FD20Bqd2pVnH0WswMGW1G6Bg==
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

2026-09-17T10:39:50.244980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062481
observed 89630d5ab2f73aaf6ce76c67a87bf877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.226330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062481/manifest.json
observed d64b3e3276cba8969335f345633351b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.206809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062481/publication.md
observed c76ff7ba265280e9effb3eda9c4bb438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.187880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062481/publication.txt
observed 75b244cb1739d8cccbb1caf52e891392...
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.