OpenTechnical

OT-2026-000027001

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000027001) never changes.

Identity and time

Publication numberOT-2026-000027001 · never reused
Internal UUID01a0ae72-3453-7a19-ad69-2959e5b99e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027001
StatusPUBLIC

Content hashes

Canonical text362f66c69940eb40db2cc8b696ed60961ce2af0b4fad08714c773fe38e392d07
Markdownf0f222157d61989e890b9ed822cb21e98f26c9949cd5b1833f18e4d32d7dab5d
PDF
Publication pagefcc2d39c18722830b0318ed1b44da4bee32729d1b2bec61002b402a06457a732
Manifestd4a47c25ee3099258247480ada2907fa26264f20513f2f26355e3f6d10d9af52

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
Signaturepxye2o6EgbHiJvJKOh3SKixj7fuJMwv8mDwmaAzYh8pJBg3SXB/NItLV3fmVVzk7e9rtf/aM3o8vrcwSbQe6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:37.855380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027001
observed fcc2d39c18722830b0318ed1b44da4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.839191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027001/manifest.json
observed d4a47c25ee3099258247480ada2907fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.821523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027001/publication.md
observed f0f222157d61989e890b9ed822cb21e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.804458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027001/publication.txt
observed 362f66c69940eb40db2cc8b696ed6096...
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.