OpenTechnical

OT-2026-000081313

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000081313) never changes.

Identity and time

Publication numberOT-2026-000081313 · never reused
Internal UUID01a0ae96-f374-7a7a-9d7e-149767e7b6d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081313
StatusPUBLIC

Content hashes

Canonical textcebd914b4d3e1ebb6704e8c20173c45f12af6379a8d9f744ca3656ffadab1664
Markdown5ced2fe4892ff7ae1a1e9dab1808a61173251cb67f6ad571f87fe522eedb9123
PDF
Publication page0768afc4a5826f909875b42a179e0c732e8b3cbc5c990da7c715dadb084853a2
Manifest84e38f6a8f442166cedce3c736980baf716d0d39d8f7e82aacd125b92b4d552e

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
Signature1qiO7dw/aR0HDAcDWIwSbUZ8JehZQ467SlvLCICJG9broNz4zDX9st7viDzeNx6o2ekzCxH1TKHk5XcG8AR5BA==
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

2026-09-17T10:01:25.738685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081313
observed 0768afc4a5826f909875b42a179e0c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:25.719972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081313/manifest.json
observed 84e38f6a8f442166cedce3c736980baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:25.685205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081313/publication.md
observed 5ced2fe4892ff7ae1a1e9dab1808a611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:25.653917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081313/publication.txt
observed cebd914b4d3e1ebb6704e8c20173c45f...
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.