OpenTechnical

OT-2026-000014419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000014419) never changes.

Identity and time

Publication numberOT-2026-000014419 · never reused
Internal UUID01a0ae6d-b27a-7794-9162-d0f36a099363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014419
StatusPUBLIC

Content hashes

Canonical text93ede88d46ce3358a55bda39d7a0b30f8cb9ab1a039c55479164a686715cef40
Markdown50e1b34e3b72e084ebc780d88a60793bc47f490667903d75e6c6b13c3ce443e4
PDF
Publication pageb4806d7a954306ebafda2be6cbacad41e8a72732bb296a470987f30bdf24cf22
Manifest849d158f9e7445089da5829461ce3e7d218309240eb8b16c4c23b64f23ee68ad

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
Signature5nFm9bV4oNS8Qd4UqhHhMhvTofe6ACsM1dyHwI/nXWvybPpGPRbqG48LYOex77IVXJ57P7yAGkIU5qvLbmAfBA==
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

2026-09-17T12:10:11.106645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419
observed b4806d7a954306ebafda2be6cbacad41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.085539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419/manifest.json
observed 849d158f9e7445089da5829461ce3e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.066962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419/publication.md
observed 50e1b34e3b72e084ebc780d88a60793b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.043712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419/publication.txt
observed 93ede88d46ce3358a55bda39d7a0b30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.952822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419
observed b4806d7a954306ebafda2be6cbacad41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.934691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419/manifest.json
observed 849d158f9e7445089da5829461ce3e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.916101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419/publication.md
observed 50e1b34e3b72e084ebc780d88a60793b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.897433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014419/publication.txt
observed 93ede88d46ce3358a55bda39d7a0b30f...
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.