OpenTechnical

OT-2026-000068798

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000068798) never changes.

Identity and time

Publication numberOT-2026-000068798 · never reused
Internal UUID01a0ae90-6dcb-7c94-a3be-5ba8147015e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068798
StatusPUBLIC

Content hashes

Canonical textf0687257a820b88c004527a69c94a4f4f376fd8b0bd3758e7b649a4d4da57043
Markdown91e103737e3837869975347c3f44d3e5dd652cc909458a25cb5b0a8a17020eda
PDF
Publication page00d10ec9d66243eebef7c59d4c012414eaea30dcaacf418ab37504be4997953e
Manifest9aa2d576273527db6e70b7f9dd94972ba512c44c29acfe03740b326008eef994

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
Signaturev3QjoAVP/9wmlxNB0QbJoVHEYguCfc3+DMltJhNhGfj2iDc9olF+Fso5x7ebGLIGxDnbzwUD6EaW6FCJqeCWBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:35.941616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068798
observed 00d10ec9d66243eebef7c59d4c012414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.924259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068798/manifest.json
observed 9aa2d576273527db6e70b7f9dd94972b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.907416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068798/publication.md
observed 91e103737e3837869975347c3f44d3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.890337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068798/publication.txt
observed f0687257a820b88c004527a69c94a4f4...
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.