OpenTechnical

OT-2026-000027724

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000027724) never changes.

Identity and time

Publication numberOT-2026-000027724 · never reused
Internal UUID01a0ae72-699a-7e85-9b6e-79f5b564942b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027724
StatusPUBLIC

Content hashes

Canonical text2764c1d3d03269604fc0f1d821c2b6c083437a147a7e34c810b13f9fd1d32012
Markdownb3256baa334c1de274a2c5cc838e524b657d1d43a6989e262296eaf773175e2a
PDF
Publication page4caa6199abdbebba93f399f09089a3e77a9851136e834a443aaa0c28789d87c3
Manifest77398394ade9dc7572da8faee87339935a392f0176829fcdfa0f76f4037f1443

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
SignaturesTv/Rl9AiC6DDzl77T0R/w2AZwyUz96z8Ln1Utrm+x3KyAm3iBF+6l8DM60qfmhbfV03xO7r53q2DDwdGNSPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:16.817781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027724
observed 4caa6199abdbebba93f399f09089a3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.801412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027724/manifest.json
observed 77398394ade9dc7572da8faee8733993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.784588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027724/publication.md
observed b3256baa334c1de274a2c5cc838e524b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.766493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027724/publication.txt
observed 2764c1d3d03269604fc0f1d821c2b6c0...
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.