OpenTechnical

OT-2026-000071603

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000071603) never changes.

Identity and time

Publication numberOT-2026-000071603 · never reused
Internal UUID01a0ae91-e0ee-7f3b-91f9-447b07b5209d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071603
StatusPUBLIC

Content hashes

Canonical texta9cf5ec27810ad2d36e73bc66a2dc036dd775073682d6db87ef76534c86c7ecb
Markdown88e3a2a164a70047cf2a13c1fb932fee1f4e158f3c06bad10ad1091999770c47
PDF
Publication pagee2b3efb6bc679f6303d8a6e89b0839a19a0753eef324717af86d59d428e0cfbe
Manifest0f1f8364f1a759dc4f1b296d2c2caa8f7472ea203ce2ef776e50ec9b234eacc1

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
Signature9DtDOnyeJUFnaod7HgbYi26to4yQJfWNyk7PSD6Wa7lKC/urtnDE2L7bKFefiizLtkuq3gmqJ/9/74YgBlCQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:15.296937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071603
observed e2b3efb6bc679f6303d8a6e89b0839a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.278927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071603/manifest.json
observed 0f1f8364f1a759dc4f1b296d2c2caa8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.261203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071603/publication.md
observed 88e3a2a164a70047cf2a13c1fb932fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.242239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071603/publication.txt
observed a9cf5ec27810ad2d36e73bc66a2dc036...
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.