OpenTechnical

OT-2026-000077782

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000077782) never changes.

Identity and time

Publication numberOT-2026-000077782 · never reused
Internal UUID01a0ae95-2ed0-7974-afd7-5b676f40cda2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077782
StatusPUBLIC

Content hashes

Canonical text635292e91cacfeae5032c802f935eb22607af0748b0cd32025afb2b979abdc9e
Markdown621d5fcdf12c6fb9c4506e11361547902a909a884e5ad22a6d249b1822cd74de
PDF
Publication page8ddaf7044aa09b3c57a8e5d4fab67b17df2b98320c5235ba7b54fe62393d5603
Manifest9c8ead6fda7c5b0cbe7623e1c4ea55dd3bc6628ba2eaec2929431ac838b2e028

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
SignatureI3sI2taSEfjIf4PIL4YdG62vzghoxE3OgxTyGDu5HkpRjXbbjJLD79UYBaoAOuCzd/IlIOSUPqx/iKdGec07CQ==
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

2026-09-17T10:06:57.106156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077782
observed 8ddaf7044aa09b3c57a8e5d4fab67b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.086839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077782/manifest.json
observed 9c8ead6fda7c5b0cbe7623e1c4ea55dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.046362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077782/publication.md
observed 621d5fcdf12c6fb9c4506e1136154790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.029186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077782/publication.txt
observed 635292e91cacfeae5032c802f935eb22...
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.