OpenTechnical

OT-2026-000026734

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000026734) never changes.

Identity and time

Publication numberOT-2026-000026734 · never reused
Internal UUID01a0ae71-f4ab-7ee7-9668-6f9eae7f20c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026734
StatusPUBLIC

Content hashes

Canonical textec7804602d435cb77c51d800a223f1b03fea87bbb1d630ab048d2fe72d6dc924
Markdown53b88c005a2a907cd15faa6593c6bd9ff95d4aa2c2c3e3a87780e6e080ad5e01
PDF
Publication page9722c25e11b91a37a5b1694baf1b152f66edf877830b8cd31ca7aea63556c92e
Manifestfff94138d699dc25c33c7a95e757b05d3c08e090b354ed3450f6d506106f7c94

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
SignatureG2g2P5INb6imjUiFsjsAD2FkjjviTNYGCUYlTEJscqZ7GbdO/AqyTpRM4kLUyCbyd69TqBWurH2NOgCZhOw5Bw==
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

2026-09-17T11:45:55.051371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026734
observed 9722c25e11b91a37a5b1694baf1b152f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.031675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026734/manifest.json
observed fff94138d699dc25c33c7a95e757b05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.012007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026734/publication.md
observed 53b88c005a2a907cd15faa6593c6bd9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.993145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026734/publication.txt
observed ec7804602d435cb77c51d800a223f1b0...
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.