OpenTechnical

OT-2026-000082783

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000082783) never changes.

Identity and time

Publication numberOT-2026-000082783 · never reused
Internal UUID01a0ae97-8cc9-714b-a0e9-439c8e3c0a87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082783
StatusPUBLIC

Content hashes

Canonical text89431b0142c37abf93a4ad232ab13f64260a460b2966243e2a2535f5e321f3f3
Markdownaeab19e459e0f097b2312cf6ba5fff5a31c2ee88e4c4ff1c72e8532fed081a72
PDF
Publication page10348518ddbe49c1e68c575b8e58b3d227e8e4f374e796b109a9bfd320447f90
Manifestd8194b96e543fb936b80447298a164fa18cc4d22c864629893b39774c38add62

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
SignatureAoIT8foAM8NohHv4OyrTuloKelZi85SM8U70KEFrqTr3tAWz5HZGlaK0d5IjPCnqnNvi1K2W4saVu4EK6nVrCA==
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

2026-09-17T09:58:22.361893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082783
observed 10348518ddbe49c1e68c575b8e58b3d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.345461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082783/manifest.json
observed d8194b96e543fb936b80447298a164fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.328691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082783/publication.md
observed aeab19e459e0f097b2312cf6ba5fff5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.311415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082783/publication.txt
observed 89431b0142c37abf93a4ad232ab13f64...
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.