OpenTechnical

OT-2026-000011761

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000011761) never changes.

Identity and time

Publication numberOT-2026-000011761 · never reused
Internal UUID01a0ae6d-1941-7a53-b290-8b69e9f9dca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011761
StatusPUBLIC

Content hashes

Canonical textfca4c390f11da80eaf9c0d9a81f96fbf9059185754c1ec379343bda3034b63b7
Markdown4ee4cc4c1c1bf4cc54b7cdfec6db88d6020037d79ed8b74b6badec02bcf351d7
PDF
Publication page4f5a23e65e042cc0e3294efdfd5d88a8023f40229a3658de575a1ec72a7ac8a5
Manifestaeeb3295e16445cf3db3ba50323d548a28cdd9ed5abbc4ce2de2e806ef51556d

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
SignaturelU8LHl6mE3kL3lo7zIxHLvx2V3V8oGHUAeKCQWi2cdGldsoxWcRI0VYM/4xWA6SMyVScg7G5y6noArfM1dwMDA==
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

2026-09-17T12:12:28.325127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011761
observed 4f5a23e65e042cc0e3294efdfd5d88a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.305231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011761/manifest.json
observed aeeb3295e16445cf3db3ba50323d548a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.285553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011761/publication.md
observed 4ee4cc4c1c1bf4cc54b7cdfec6db88d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.267198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011761/publication.txt
observed fca4c390f11da80eaf9c0d9a81f96fbf...
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.