OpenTechnical

OT-2026-000078491

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000078491) never changes.

Identity and time

Publication numberOT-2026-000078491 · never reused
Internal UUID01a0ae95-7c29-792f-9030-ca381e235e65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078491
StatusPUBLIC

Content hashes

Canonical text23f02da482060abe71137945a27c03e23a74319488cf6172d4595049f170dba3
Markdown9989f578eef3510a9ab840a146fb470c0b02b4aa5f4a76da94e0b852b69bbb1e
PDF
Publication page0148591bd67cdc7c761eeb5a6d3d8ecf62e268249c9f7a59f7d055e2eaffe983
Manifest480aaac215663649b0b387e903d0bb7e1eeb9ba4065649a32bbe0e26c1394a91

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
SignaturewIgMvcpEf0YnhRLyAhaTnV3cAwCTGlTPuUarXs0Ayju//PyZYJN5wEteqnn9a8eTqebehSIeVqlSSd4gWUhxBA==
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

2026-09-17T10:06:30.096839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078491
observed 0148591bd67cdc7c761eeb5a6d3d8ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.079317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078491/manifest.json
observed 480aaac215663649b0b387e903d0bb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.061747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078491/publication.md
observed 9989f578eef3510a9ab840a146fb470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.042210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078491/publication.txt
observed 23f02da482060abe71137945a27c03e2...
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.