OpenTechnical

OT-2026-000044969

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000044969) never changes.

Identity and time

Publication numberOT-2026-000044969 · never reused
Internal UUID01a0ae7c-911d-799b-ac24-19150636a959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044969
StatusPUBLIC

Content hashes

Canonical text64eba69ca5d8c0a23204589914e0ec967b1ee60b4eefeb8da5588415714170b6
Markdown00d5702e4aa6f065ee7ae2c4dc208928802566a4600f09069267d631248be0ff
PDF
Publication pagee8d078fb47a2e9c1a4af3920c4ae2be9fc1430367bb7bfad0ef00865fc5296a9
Manifest612ed3bb2da7f747da3ccf946fc2c9f6537fde8b156298341de7e4ddd5acf44c

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
SignatureqfvvXNFhnj+Mc5HTKnWQtFYTGVIV7Zd2tpQS3JUuasiQ4yyd0p5XHckSNlSKLQOHZFfz8TcFGAW3Z1ObySYtAA==
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

2026-09-17T11:11:39.404207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044969
observed e8d078fb47a2e9c1a4af3920c4ae2be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.385645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044969/manifest.json
observed 612ed3bb2da7f747da3ccf946fc2c9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.365931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044969/publication.md
observed 00d5702e4aa6f065ee7ae2c4dc208928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.348025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044969/publication.txt
observed 64eba69ca5d8c0a23204589914e0ec96...
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.