OpenTechnical

OT-2026-000085015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000085015) never changes.

Identity and time

Publication numberOT-2026-000085015 · never reused
Internal UUID01a0ae99-43b7-7367-9d11-511c4626f489 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085015
StatusPUBLIC

Content hashes

Canonical text4d463fc7dff6f2d11c697dac9d4696f4792684be70005c3e1da512089a7e66d1
Markdown7d0522e0155db257beb6c58cf29fb36c1805767e5b79537c5fde08732fefb7b1
PDF
Publication page17c76e543537916e408a84f989a8cbfb5587b66057dd4100073ee937eab43e4c
Manifest09b738ba7b3a4abf44042023d057b743fb38e7b9b073032a8eb0654ca0588b9d

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
SignatureJS50DNEP5oZJt3i/8quBJJTiik0Ll3fUw/382a2mBvUNdAY5+/ETxtu+8urTXVfsOuJN3r8G8ll2c2yvY73ACA==
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

2026-09-17T09:55:01.445747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085015
observed 17c76e543537916e408a84f989a8cbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.427944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085015/manifest.json
observed 09b738ba7b3a4abf44042023d057b743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.410337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085015/publication.md
observed 7d0522e0155db257beb6c58cf29fb36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.393169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085015/publication.txt
observed 4d463fc7dff6f2d11c697dac9d4696f4...
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.