OpenTechnical

OT-2026-000063514

Publication integrity record

Foam pad vacuum gripper, 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-2026-000063514) never changes.

Identity and time

Publication numberOT-2026-000063514 · never reused
Internal UUID01a0ae8c-f945-7ede-8560-75a3d37f71c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063514
StatusPUBLIC

Content hashes

Canonical text6e1f3db964fc5338e192f09fdb2836aaf5d5044cd360852f0b64de97263a1f09
Markdown656bbc454b2b72c1c23e45c6cc41abc418efce5b1b0e17ac50d77b7fd57c3261
PDF
Publication page552ca31e9a70afc53df479f548e594ab8bbc3296c75c04267eae392f10a28d19
Manifest62d08b452ced4b4b45f010d1d95ac0008b3708e25594812d270d48c27bb097d9

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
Signature23ZTCWxC3g1iOJUDdqI9ReyrDVws5vKNP4AmOaQFCpjJuTScllPC6ZIOz7rjg3WyyCmmslTF8ep0G8kvJvFSAA==
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

2026-09-17T10:37:29.960909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063514
observed 552ca31e9a70afc53df479f548e594ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.938474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063514/manifest.json
observed 62d08b452ced4b4b45f010d1d95ac000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.917218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063514/publication.md
observed 656bbc454b2b72c1c23e45c6cc41abc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:29.897157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063514/publication.txt
observed 6e1f3db964fc5338e192f09fdb2836aa...
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.