OpenTechnical

OT-2026-000011487

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000011487) never changes.

Identity and time

Publication numberOT-2026-000011487 · never reused
Internal UUID01a0ae6c-88ff-7173-9277-55dc656a5710 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011487
StatusPUBLIC

Content hashes

Canonical textc072a6ed688fe84faa6f8551a0436f05f9afb4aa052f9c2e1cf354bd83be284c
Markdownca53d4c78e1c7b5823f2047bec10eebaaa658787576d597e635fd37a3f895184
PDF
Publication pagea4c3bf9f273f96187f02aa43ba0f1961a665118ec18f5be63cb44ed4390b9b6c
Manifest01dc798c41544f5f17059e0f0abab59c4dd8132b7d437a3f10506a89005521cd

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
SignatureWNCsJ55StER36HKdRRdCiZvd1IyWNOC/E8N+wU7rxPZSZPwX/vpgMhX3+EEibEaY7RhRnlbkTnw7gc0zSafaCw==
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

2026-09-17T12:13:15.605014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011487
observed a4c3bf9f273f96187f02aa43ba0f1961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.584503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011487/manifest.json
observed 01dc798c41544f5f17059e0f0abab59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.565085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011487/publication.md
observed ca53d4c78e1c7b5823f2047bec10eeba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.544154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011487/publication.txt
observed c072a6ed688fe84faa6f8551a0436f05...
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.