OpenTechnical

OT-2026-000013750

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000013750) never changes.

Identity and time

Publication numberOT-2026-000013750 · never reused
Internal UUID01a0ae6d-8de9-71e1-b8c4-8e6715c42ce2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013750
StatusPUBLIC

Content hashes

Canonical text23158c07265775a9c3d31392bf05f53e3d30c4e1e210d99e8e86b58d35dd2ab2
Markdown52af1d91dee5c3afdb88b123beea83a731bce63f69a397382ee4ccb9fb26dd1d
PDF
Publication pagefe2435320bf2e44ff06365b422f2dcfdf734ed10263c95d3a5258a5f43753e6b
Manifest1fde97741b8c34cc549267ff8ed415ca279261c4b32aaa0b7076ef2fdc26d104

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
SignatureUX07g8lXVewnR4cLpsKzM8/Vp1x427ioGx0kHMMat7lRM/ddByh9BLTRC5CFGiKMFwdXx96NTpkVsVVdEEfRDw==
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

2026-09-17T12:08:49.194159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013750
observed fe2435320bf2e44ff06365b422f2dcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.175145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013750/manifest.json
observed 1fde97741b8c34cc549267ff8ed415ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.156580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013750/publication.md
observed 52af1d91dee5c3afdb88b123beea83a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.128938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013750/publication.txt
observed 23158c07265775a9c3d31392bf05f53e...
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.