OpenTechnical

OT-2026-000084469

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084469) never changes.

Identity and time

Publication numberOT-2026-000084469 · never reused
Internal UUID01a0ae98-5b63-7a93-b22b-d3434ede616b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084469
StatusPUBLIC

Content hashes

Canonical textc53fc74e13b1a41ecd2124e454cfa7cca0b6b3ed7289ac2e8f6971d0407bb5e6
Markdown6da6838fdceee5b893b2d0eb5b4f81a0d0b19d200a850f56babd752a06e8229c
PDF
Publication page7b077257fb05a656e21221648ef9a3231ce84a67e187f9ab5b6f03fb9ece823b
Manifest1f854543a7a0633a611f3cf6efb444d8ff700ef37418a841fbb2929f28a30e0e

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
SignatureJQksj5JFe/EqiCz1vm5xc3t7vVuoIUYhHZzpDjQ/DF3kT1D3Pqp/2/VWCYazQxllTM0t/UYSa03fMHGszyiJBA==
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

2026-09-17T09:56:26.067095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084469
observed 7b077257fb05a656e21221648ef9a323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.049778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084469/manifest.json
observed 1f854543a7a0633a611f3cf6efb444d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.032304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084469/publication.md
observed 6da6838fdceee5b893b2d0eb5b4f81a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.013819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084469/publication.txt
observed c53fc74e13b1a41ecd2124e454cfa7cc...
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.