OpenTechnical

OT-2026-000064893

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000064893) never changes.

Identity and time

Publication numberOT-2026-000064893 · never reused
Internal UUID01a0ae8d-debd-797a-b1c8-25c113b81bbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064893
StatusPUBLIC

Content hashes

Canonical textdd936107d8f6799b2727f1df3ea21c95bbad7ce38c098672e7e88e857c77c433
Markdownd374eaf948d546f7e108b6c7b8f403819d701f9692ac6f47773b6f952a54ccec
PDF
Publication page8ea5410663aae30be6ab1f1f02033b719530605c39046e8071f54a5d735802fa
Manifestede4a0ae0f893b638c444d790a580ab7e8008232df30956ed136487961581a4c

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
Signature1ykAnwU+3xTLIkL/jfV/b2NyAw9D9OZrhGVab+bVRHeP1bkuaLgD824BjQv68IxJXrcQIDcsOHzQ8WnrsUdKAQ==
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

2026-09-17T10:35:49.280477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064893
observed 8ea5410663aae30be6ab1f1f02033b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.264639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064893/manifest.json
observed ede4a0ae0f893b638c444d790a580ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.248514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064893/publication.md
observed d374eaf948d546f7e108b6c7b8f40381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.233274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064893/publication.txt
observed dd936107d8f6799b2727f1df3ea21c95...
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.