OpenTechnical

OT-2026-000005674

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, contact triggered, vented after 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-2026-000005674) never changes.

Identity and time

Publication numberOT-2026-000005674 · never reused
Internal UUID01a0a940-ffbe-7ae1-b5f6-70a330638000 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:44.416754Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005674
StatusPUBLIC

Content hashes

Canonical texte632193a28d2fc1d7ea021fe2fd557736b17b61f6fb713c79321c34a100147fd
Markdown4068d6af32a935c35f3520a3d2233b1aef65b544c1bd379e4f3b02f678e8010d
PDF
Publication page1ebd7e976122d2d38fa33dd7fb0eb43379ab233a15770ae824e611602f9f1019
Manifest78365f9d7321e4883df57068073f6922d94858c747af7c942cc677f6059ae7a9

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
SignatureZET7D6gvO/HchLSC4NzjUbmhfrGw4EvBW96IB/DDrc/QOf6NUoo7Nda8F67l8rSCYXsSgeyk7WZ7a/QKrad0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:13.391412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005674
observed 1ebd7e976122d2d38fa33dd7fb0eb433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.374781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005674/manifest.json
observed 78365f9d7321e4883df57068073f6922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.239118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005674/publication.md
observed 4068d6af32a935c35f3520a3d2233b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.224571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005674/publication.txt
observed e632193a28d2fc1d7ea021fe2fd55773...
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.