OpenTechnical

OT-2026-000078801

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000078801) never changes.

Identity and time

Publication numberOT-2026-000078801 · never reused
Internal UUID01a0ae95-ccbd-7971-a643-6d5d71dce0ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078801
StatusPUBLIC

Content hashes

Canonical texta541ea3bf1af0c222e3f02f1df5f1e120d0360e0776baa49170d77dc82e421c8
Markdown85d087dd1723d3e68872757e3f3b482267e5f9acfb3ff205965da8934dc4a1f0
PDF
Publication page8429932f5fefa8b3b33d9f171b54e1e01c68f294b3e1b865ac62ee6d95277757
Manifest803bc7d1dc4d113c545fb4d6e95d4ab1643a8d2675ea6fd19da6ce9c41cff5e7

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
SignatureyugylkY0TlyOSiy5imbmEa1mpugb2eDLXVwpe3JEHgYzhmxH2QquuZTRRrVyNq/bo+SkjjyTFj1QTqT/f8wVCQ==
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

2026-09-17T10:05:35.517304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078801
observed 8429932f5fefa8b3b33d9f171b54e1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.497985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078801/manifest.json
observed 803bc7d1dc4d113c545fb4d6e95d4ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.480289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078801/publication.md
observed 85d087dd1723d3e68872757e3f3b4822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.461800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078801/publication.txt
observed a541ea3bf1af0c222e3f02f1df5f1e12...
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.