OpenTechnical

OT-2026-000082720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000082720) never changes.

Identity and time

Publication numberOT-2026-000082720 · never reused
Internal UUID01a0ae97-8cc8-70fd-a6b0-40b8fceded9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082720
StatusPUBLIC

Content hashes

Canonical texteacd506252c1fb09ea043a18cd187b733f0c12a91a09a2bf599e578a31110652
Markdown38a00a253d80d16f4973f9ca18bdf0d0cb60a39368250b2d0ac0d682c9f1bdba
PDF
Publication page52c2f627131dc4d0c3f2e6030ee433cdb81a63d5f0d37aa2810e2879dce7467e
Manifestee6cc4d516e1af25907f749a3906813a47276d52a3f21071492d959eba801a3e

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
SignatureYen1sCckM3qz74YCfdrUaPDdKyxH6Etn2KWVE2pwDI+sdnTSuT61YAuQPYsxWIzda7eUaiReVJtUUAg7cJwaAw==
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

2026-09-17T09:58:17.869473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082720
observed 52c2f627131dc4d0c3f2e6030ee433cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.853557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082720/manifest.json
observed ee6cc4d516e1af25907f749a3906813a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.837426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082720/publication.md
observed 38a00a253d80d16f4973f9ca18bdf0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.819905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082720/publication.txt
observed eacd506252c1fb09ea043a18cd187b73...
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.