OpenTechnical

OT-2026-000080628

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000080628) never changes.

Identity and time

Publication numberOT-2026-000080628 · never reused
Internal UUID01a0ae96-7e79-7b4c-ad1a-a64df6194fae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080628
StatusPUBLIC

Content hashes

Canonical textbbcb42af4894c5395b2de909c92116a403df43d7b29f3a7914290b726508726e
Markdown9a765355eac99acd4b5f22bfefb2c6f4cf29da51b540ead6703f34dd8abc02ec
PDF
Publication page440be8b00f2d6628f5f3670d4b10cadf708e6e329e311eb0f2cab00faa74d1ed
Manifest0eaf34bd9f304277bfb4e19478f2a9719f2cb44ab6e1bbdf02609f447cfd0a8f

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
SignatureVNaqZ5rl3w3RyPDFpxySyl2OxmY5IU3te+Luzq91nll9NxWqYPR28iduQDNcS+uPQYVAK0T0RvsMhgL/Y8Q/Bw==
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

2026-09-17T10:03:16.839901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080628
observed 440be8b00f2d6628f5f3670d4b10cadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.809047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080628/manifest.json
observed 0eaf34bd9f304277bfb4e19478f2a971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.782595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080628/publication.md
observed 9a765355eac99acd4b5f22bfefb2c6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.752783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080628/publication.txt
observed bbcb42af4894c5395b2de909c92116a4...
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.