OpenTechnical

OT-2026-000038691

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038691) never changes.

Identity and time

Publication numberOT-2026-000038691 · never reused
Internal UUID01a0ae78-769e-744c-948c-41c6b1befaf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038691
StatusPUBLIC

Content hashes

Canonical text9c7d3434c91d473380708f33dad3759005e2b52c7599a31bf650052a50edd6f5
Markdown79525357588fcd3398926365ba2b93de9181b13392d47a25748c62d361764180
PDF
Publication page717fef9265a33289b80d511f2c0fb8507cafdf439b049b804737ccaa10dc80df
Manifest230f8e6a78e75d0035af70990165a68e3656b2977050a64e9c1c4fb094eb83c3

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
SignatureotCpbVqu1UUr+yUul58xc+5ToN0OtdG4N05XOqfdja/TNHWTl2faFq5wXzH0y8JX8huCEuYXJ+eKJMIqjd8YBA==
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

2026-09-17T11:21:12.353536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038691
observed 717fef9265a33289b80d511f2c0fb850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.334093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038691/manifest.json
observed 230f8e6a78e75d0035af70990165a68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.316373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038691/publication.md
observed 79525357588fcd3398926365ba2b93de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.276210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038691/publication.txt
observed 9c7d3434c91d473380708f33dad37590...
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.