OpenTechnical

OT-2026-000098578

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098578) never changes.

Identity and time

Publication numberOT-2026-000098578 · never reused
Internal UUID01a0aea2-42ac-72f5-aa5b-496fe902fa5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098578
StatusPUBLIC

Content hashes

Canonical text79051a1990eef0a6cfd0f87c9337cf1559cf3bbea409130ab6ce7fc6db8417cb
Markdownc13e2ec0481c8d865347bf4ea449fb0641dab26fa6b1a86d06fdaec3f43ab669
PDF
Publication page343f5b1c0d350cce400e6b833b07eb78e8407e622f22ea4e14ecd708e2d3cdb0
Manifest37ac273de4117305843c9236651b6290361b5133f67d0af449c48871c8432775

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
SignaturerjpIrCHJ3Z4PE8KzgOKMhGY+ebJYtNfD547Rd5ARDCs4SfwtOo3hnAQREszF64hq0BhpV4/5YAe9xM1/y7nPDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:50.563151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098578
observed 343f5b1c0d350cce400e6b833b07eb78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.544812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098578/manifest.json
observed 37ac273de4117305843c9236651b6290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.527442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098578/publication.md
observed c13e2ec0481c8d865347bf4ea449fb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.509971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098578/publication.txt
observed 79051a1990eef0a6cfd0f87c9337cf15...
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.