OpenTechnical

OT-2026-000008039

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000008039) never changes.

Identity and time

Publication numberOT-2026-000008039 · never reused
Internal UUID01a0ae6a-908b-72bb-a130-d0187752e08c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008039
StatusPUBLIC

Content hashes

Canonical text416582e3ae291c5784ed6f7e3096c3abc162752344032ae7e6c71d2b402c5b08
Markdownf77c702731780e7ad50852e896c76a3b748af9bcb0b7cc30180032bd664aa96f
PDF
Publication page166a7d5d4769b8da62553d82e29d419e86571402aac4a81e46eba048cf855880
Manifestbe928b9f047c5c572841da419366aaa50f41261d2c58c8123f3e68b54b40eed9

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
Signaturer12ISttkG2ZFrXQJPa/uOQGT01j7zMHioyXo7wvda2C2weHVxcBQRL4B4nNVc2dc8JQ7C6V8QQ7HoOEpkZguBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.814786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039
observed 166a7d5d4769b8da62553d82e29d419e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.796514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039/manifest.json
observed be928b9f047c5c572841da419366aaa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.777245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039/publication.md
observed f77c702731780e7ad50852e896c76a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.756080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039/publication.txt
observed 416582e3ae291c5784ed6f7e3096c3ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.696692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039
observed 166a7d5d4769b8da62553d82e29d419e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.679566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039/manifest.json
observed be928b9f047c5c572841da419366aaa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.662132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039/publication.md
observed f77c702731780e7ad50852e896c76a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.642884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008039/publication.txt
observed 416582e3ae291c5784ed6f7e3096c3ab...
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.