OpenTechnical

OT-2026-000088277

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000088277) never changes.

Identity and time

Publication numberOT-2026-000088277 · never reused
Internal UUID01a0ae9b-5d26-70de-8c54-409b2df4d02f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088277
StatusPUBLIC

Content hashes

Canonical text4fc1396093e3f6a892908195b1a4a1cb69c38a22178bc6dd3bc1acfa3e719ded
Markdownc7edac80d9dd0b8c0475b762c4caeaf580fb4d7251ceff58664ff4cdc71300cb
PDF
Publication pagee5ac438699abf37f2301b1c7c0d4565694e6beb50acacff74ee9933c0fde47fd
Manifestea4e2dd8b307191155d79cfcd49cbfa77b769d9c13f9c15ce26ff7d3abc3615a

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
SignatureEdNoLyhGId0UxznkZYFcRv/PzmGuFNY0E5BW8LW4hWdGPJHIWXK2rdiZCrVnskGbzXQzX4WjSFSxMhs7MAA4Dg==
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

2026-09-17T09:48:35.265088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088277
observed e5ac438699abf37f2301b1c7c0d45656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.247593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088277/manifest.json
observed ea4e2dd8b307191155d79cfcd49cbfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.230703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088277/publication.md
observed c7edac80d9dd0b8c0475b762c4caeaf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.215012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088277/publication.txt
observed 4fc1396093e3f6a892908195b1a4a1cb...
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.