OpenTechnical

OT-2026-000039634

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000039634) never changes.

Identity and time

Publication numberOT-2026-000039634 · never reused
Internal UUID01a0ae78-d8d4-7c59-a664-e18749171bee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039634
StatusPUBLIC

Content hashes

Canonical text4108252e4f5d120e9af424c7d4630ed8f031495ecf4642b8e74f1df64489bb93
Markdown1950dfb487c8b99300ed4fdc164a228ed621f583962f01a8ffe7b4617c329328
PDF
Publication page0bb57db4992472e8e0c8dafa497d27ca6795e69e654bd003fa434a8c8a9c897d
Manifest8e5f29165fbb13a9302e629ace4ad5923af98e4706c4683e142336d1244d4040

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
SignatureBybKFLwU/LV4W5VcVKIrYPT/EgccZoTSTpxlWsd+xLbXwSie0GNH2smZOw2GJ3g+tFhjVcdqwM15FnwBtjQyDQ==
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

2026-09-17T11:19:48.375664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039634
observed 0bb57db4992472e8e0c8dafa497d27ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.358562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039634/manifest.json
observed 8e5f29165fbb13a9302e629ace4ad592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.340578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039634/publication.md
observed 1950dfb487c8b99300ed4fdc164a228e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.323316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039634/publication.txt
observed 4108252e4f5d120e9af424c7d4630ed8...
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.