OpenTechnical

OT-2026-000076469

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000076469) never changes.

Identity and time

Publication numberOT-2026-000076469 · never reused
Internal UUID01a0ae94-6a71-7720-ac1e-78f3b0e674dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076469
StatusPUBLIC

Content hashes

Canonical text598d4f42abd3bb86cfc8fe03d1cd2a28fbaacd17f619363086b92784c40806a4
Markdown41aadb33be8bc40af554d0775fad7891e7b3b9aa71aae2b3c350305a6c30841c
PDF
Publication page47390358df65bbd39ca1b70d6188d0c497692b8fd0979749179b99066ac4b7b4
Manifest11b826ba1e1c8eea70eccac4b56df593d5b76a46a3d962df34cca93f7a26fcd9

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
Signature0P6WD1V4u2zC1b+Ez9otH6fb2qJ1xE/dh/DheSW0X32wCSd8pUf2aj3INl4D4ni/r2XBleavlgZvatLFUPtJAg==
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

2026-09-17T10:12:38.530145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076469
observed 47390358df65bbd39ca1b70d6188d0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:38.511978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076469/manifest.json
observed 11b826ba1e1c8eea70eccac4b56df593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:38.493168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076469/publication.md
observed 41aadb33be8bc40af554d0775fad7891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:38.472554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076469/publication.txt
observed 598d4f42abd3bb86cfc8fe03d1cd2a28...
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.