OpenTechnical

OT-2026-000073868

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000073868) never changes.

Identity and time

Publication numberOT-2026-000073868 · never reused
Internal UUID01a0ae93-2b8e-70e4-b37d-a187f8aa4499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073868
StatusPUBLIC

Content hashes

Canonical text42cd2f3da43bcb4352cceebd29dec405d429a7ad68433679d0dddb362ae49bf5
Markdown90ddea8333da9b02624ef2e4f1620cb8f920416839d7e07e43a88533e1ae2f39
PDF
Publication page5e2d4653d8b540e08de3ae780774cf044996a37a55d60799deb8f595b669ee7f
Manifest842936422ac01de5527f6ce9165c88e7d8d7b587e530953366c75cfd857c4704

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
SignatureFisafxUAhOqB/L9mqK6Nhpz1X9x/Nqz/GgD9r/QkVTPDCKbNAylw28wKMvYnjQllnnfSNSTsqWzMS3plxGEXCQ==
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

2026-09-17T10:20:00.767484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073868
observed 5e2d4653d8b540e08de3ae780774cf04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.748507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073868/manifest.json
observed 842936422ac01de5527f6ce9165c88e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.727494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073868/publication.md
observed 90ddea8333da9b02624ef2e4f1620cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.707447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073868/publication.txt
observed 42cd2f3da43bcb4352cceebd29dec405...
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.