OpenTechnical

OT-2026-000086867

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000086867) never changes.

Identity and time

Publication numberOT-2026-000086867 · never reused
Internal UUID01a0ae9a-80a4-73a3-ae11-e0672a8b8195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086867
StatusPUBLIC

Content hashes

Canonical text3f96278143d25f23a8d4e4e20462c47b08c94c4b9fdbe82a5f4b82e1dc76df4a
Markdown1dfa0770308daf9eef22ec1173aab78c1cab3271ce5d6f5b9f8523d4da611735
PDF
Publication page3cb868fc8ad01a7e2f42448a5dcc2355131881cc16cf7b486bed27579dbbc146
Manifest9f7c8c54f834259c446a6de460031bfeb7141939feb022d2f77b8a667b2c54a4

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
Signature5nuh+r3RLJQZai/Z+IIfc/fL27IjzD1wBnwSL+rL8VX2fp1//I6IC9BzEXJDZgp1aegK0CXQI6QgoqJxDKL8Ag==
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

2026-09-17T09:51:42.575814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086867
observed 3cb868fc8ad01a7e2f42448a5dcc2355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.558711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086867/manifest.json
observed 9f7c8c54f834259c446a6de460031bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.540936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086867/publication.md
observed 1dfa0770308daf9eef22ec1173aab78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.523077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086867/publication.txt
observed 3f96278143d25f23a8d4e4e20462c47b...
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.