OpenTechnical

OT-2026-000064693

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000064693) never changes.

Identity and time

Publication numberOT-2026-000064693 · never reused
Internal UUID01a0ae8d-deb9-777a-9bc3-0a7d51709bdc · 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-2026-000064693
StatusPUBLIC

Content hashes

Canonical textf80ff93cc87a394327709858dab781099fb7a737e921a29bb7cb7abc5710c3cd
Markdown662e78139b5b67dfa8cd1398b568e6564c4b71acafc53d141d934b750003474c
PDF
Publication page9e0a08c28db23b5fb3d533a546fd41ef71a8d0b25d8e3b834f5f3c8197b005b2
Manifest1839ab470b740da930f6a57ed6045a1abfca5e2e5402e1a75bfe54e1d106c045

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
SignatureA693VPlZQWz7RGH2RhbGiFwjywQntPquAulJ7XQ7MK4kSPmetY0+t/Q97go/v26LjdebEeEKV5MIy3CSTs0uAA==
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

2026-09-17T10:35:33.578627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064693
observed 9e0a08c28db23b5fb3d533a546fd41ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.560157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064693/manifest.json
observed 1839ab470b740da930f6a57ed6045a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.542919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064693/publication.md
observed 662e78139b5b67dfa8cd1398b568e656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.523763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064693/publication.txt
observed f80ff93cc87a394327709858dab78109...
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.