OpenTechnical

OT-2026-000064294

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064294) never changes.

Identity and time

Publication numberOT-2026-000064294 · never reused
Internal UUID01a0ae8d-a460-77c0-b2da-a362933e1d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064294
StatusPUBLIC

Content hashes

Canonical text7e5104836fb0702eab68b2fbfd9f8270972aa38db33b261807e9c91b56a20a95
Markdown9b581fc0857a15aa22ca8b078bbf5ffc4e0f9e9e46367f3d1d8a4e8bc341b315
PDF
Publication page526650f76f9ecb8225aae284d00edcc1265d7c9e74bbe4519ef5405937310226
Manifestef45d9b5b5679b87d71b63651bacf5d25fb62401c0214379df0bc2ebb257bbf7

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
SignatureNc2csFkai+ejYC1J4f1PUiGkZyDOzWPAKiKB0ihDvNbcJ4krCLDRg3pdhiBt45WpexQwwf6riDgQrbam3ZV0Bg==
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

2026-09-17T10:36:26.324157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064294
observed 526650f76f9ecb8225aae284d00edcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.306216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064294/manifest.json
observed ef45d9b5b5679b87d71b63651bacf5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.289429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064294/publication.md
observed 9b581fc0857a15aa22ca8b078bbf5ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.272213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064294/publication.txt
observed 7e5104836fb0702eab68b2fbfd9f8270...
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.