OpenTechnical

OT-2026-000082134

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000082134) never changes.

Identity and time

Publication numberOT-2026-000082134 · never reused
Internal UUID01a0ae97-4d93-7013-ba26-95437267d7f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082134
StatusPUBLIC

Content hashes

Canonical text8287cff5d51c33b02c4dbfc6cb2d5a7fa1a3b0ce04157efd2cc03e06f179d4c7
Markdown311de91babe7e639fedf4c2d1c01eba95d5c2dc18090dcccca0f3d5315e43de1
PDF
Publication page188b55fdb434a8b5b0ef9dc032680569bc2629021074220451f16a32ebcac2ac
Manifestfb63fc6b6dc7315e924ea94ccb94667b97095ee0f4285acef602f53307bd0e84

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
SignatureFpTSDXtr//VD1CKwJv2s/5ZxQ5xUgjdxU5M7i2d/lkHH0CW+hpUc9vekfKEvShCGJpc4fyePI6kJVQL0G2T7Ag==
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

2026-09-17T09:58:57.045894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082134
observed 188b55fdb434a8b5b0ef9dc032680569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.027491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082134/manifest.json
observed fb63fc6b6dc7315e924ea94ccb94667b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.009383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082134/publication.md
observed 311de91babe7e639fedf4c2d1c01eba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.990823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082134/publication.txt
observed 8287cff5d51c33b02c4dbfc6cb2d5a7f...
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.