OpenTechnical

OT-2026-000038629

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000038629) never changes.

Identity and time

Publication numberOT-2026-000038629 · never reused
Internal UUID01a0ae78-2d54-715a-913e-6daa74bc36a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038629
StatusPUBLIC

Content hashes

Canonical text809ea628798cd63121aa2f094bd79d0d92f1b777d89646be739adca3fa993cb4
Markdownea79cce031944d6c45f6466b18b89a402aac3089cf62d38ef16a32250975dc7e
PDF
Publication pageb1c0400adb68fef2d7b46269662380c20f6879589734d206b606192c0641794b
Manifestb8f49645fbcbb6a7fab4e1511d0188ff28512b210e12279ea1087c61fda51e80

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
Signature9XaPHIvT15Dz64qSHGW8lyBX7dGPK1f4cWcXrngvb8kHXuni0oWEUeS+J0cEehBqO4d+F1tv6Yny9kd/3eHGDA==
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

2026-09-17T11:22:55.692289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038629
observed b1c0400adb68fef2d7b46269662380c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.671214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038629/manifest.json
observed b8f49645fbcbb6a7fab4e1511d0188ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.654787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038629/publication.md
observed ea79cce031944d6c45f6466b18b89a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.636278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038629/publication.txt
observed 809ea628798cd63121aa2f094bd79d0d...
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.