OpenTechnical

OT-2026-000046538

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000046538) never changes.

Identity and time

Publication numberOT-2026-000046538 · never reused
Internal UUID01a0ae7e-57dd-725f-890e-be0a2570d1e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046538
StatusPUBLIC

Content hashes

Canonical texte5e561752a4b656105c4ff0b6d51b03f78128b5f06fd62d0c8ffd393946b5b48
Markdown0beda3fe2a07811ffdbf56e9169fd6a2d74a5c9a1ea4d459de9ff1255f0126ef
PDF
Publication page31dcbe337b5414f83a393f39b22d582a5e17ecc7761343a1ff9c318116f0dba2
Manifest6fca56909ee10d090cb2971df71619f6d6c899acb7e69869976acb4bd9a1558a

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
SignatureyE534OwWOGGqYB3dvUnD1gE7669/NdRjkFVN/LX7aYU277Ilj4wmOD6yFROOVSZGvpLf+Dq0WEV1YQqjMBSACg==
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

2026-09-17T11:08:35.612324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046538
observed 31dcbe337b5414f83a393f39b22d582a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.595039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046538/manifest.json
observed 6fca56909ee10d090cb2971df71619f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.575159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046538/publication.md
observed 0beda3fe2a07811ffdbf56e9169fd6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.556522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046538/publication.txt
observed e5e561752a4b656105c4ff0b6d51b03f...
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.