OpenTechnical

OT-2026-000069464

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000069464) never changes.

Identity and time

Publication numberOT-2026-000069464 · never reused
Internal UUID01a0ae90-b52a-7b76-97fa-b8faf5dee605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069464
StatusPUBLIC

Content hashes

Canonical text3bd5f38d517b18e92c5ee43e64121643ece05ae5df5b350f00774a06d63b9b4e
Markdownfb08f8cbffe93ae11e92ea3bf3bf9d725eab1de413bff175f88e4a88b00574ac
PDF
Publication page189735d8b21e1d44780a691d2b8f7e0426197f8252110b50142719ded89d7850
Manifest6e1e238f96b180aac1ed3d54bd4b8f3dbbc74e56d9f1fcf42efe878002129b27

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
SignatureezM53AKRHOpDdrUcj7Hpope6Tat59/CJYiqIPw5gxr0wdQJOzSzOftQj05dLxmDn+zBPLEnE3qlHx4BIDrZSBw==
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

2026-09-17T10:30:32.362536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464
observed 189735d8b21e1d44780a691d2b8f7e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.344068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464/manifest.json
observed 6e1e238f96b180aac1ed3d54bd4b8f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.327953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464/publication.md
observed fb08f8cbffe93ae11e92ea3bf3bf9d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.312147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464/publication.txt
observed 3bd5f38d517b18e92c5ee43e64121643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.139675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464
observed 189735d8b21e1d44780a691d2b8f7e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.122129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464/manifest.json
observed 6e1e238f96b180aac1ed3d54bd4b8f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.106379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464/publication.md
observed fb08f8cbffe93ae11e92ea3bf3bf9d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.088818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069464/publication.txt
observed 3bd5f38d517b18e92c5ee43e64121643...
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.