OpenTechnical

OT-2026-000023104

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000023104) never changes.

Identity and time

Publication numberOT-2026-000023104 · never reused
Internal UUID01a0ae70-7266-7508-ad4e-78bc8ca02fb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023104
StatusPUBLIC

Content hashes

Canonical text35bcd44e32ad510150018ebb8f718ebe975a2de011a321d067dbac339807393e
Markdown52c40698189edac56b544e9a69ac33288f9d71acf9b56248466b03034ebd6075
PDF
Publication paged5db3db9c47911aec446bc7210ad7183fb7563ff3aba576ee0cf5cfcdfd613c4
Manifest12aa52bb93063acaa7315ef0f7d1addad905428496b3d010df273757437a0796

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
Signaturey2b2DpJrrv0lTR+fGcRs+9ORQInU7QqIswABDsBlORt48ZiwACu6Rit4cpUTG1Iw3LcAdDHvpvCtUbOI1dwXCw==
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

2026-09-17T11:51:01.573233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023104
observed d5db3db9c47911aec446bc7210ad7183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.555443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023104/manifest.json
observed 12aa52bb93063acaa7315ef0f7d1adda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.506583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023104/publication.md
observed 52c40698189edac56b544e9a69ac3328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.451637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023104/publication.txt
observed 35bcd44e32ad510150018ebb8f718ebe...
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.