OpenTechnical

OT-2026-000087424

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000087424) never changes.

Identity and time

Publication numberOT-2026-000087424 · never reused
Internal UUID01a0ae9a-cd50-7230-b0e4-f6198bedabf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087424
StatusPUBLIC

Content hashes

Canonical texta18bf986f563c1720de463b5542279f1eb3e863cfc64129692734efc037ab020
Markdown3810bde2fd5a95b4ed1406a479ce8cb24ad68ef77ec0348e92f02aa016b6c1c6
PDF
Publication pagec89e669519caef0535dc7d981a2c6e66054d84e73b402e64f857f8cd91971fe6
Manifest4707ab8df86bd01f4fa5a23201924e448cdc4ee1b5f00c3e3321a0583b05f15e

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
Signature5SpGUqc3PLVE/n4HupAN/oMyoEZoIrvDEDdgI9FN+ToXVwMQQyEZjEjbKL7iyvAeyyPQIg8DF0MJiGLjuAqiAA==
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

2026-09-17T09:50:44.649958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087424
observed c89e669519caef0535dc7d981a2c6e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.631489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087424/manifest.json
observed 4707ab8df86bd01f4fa5a23201924e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.614036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087424/publication.md
observed 3810bde2fd5a95b4ed1406a479ce8cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.597345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087424/publication.txt
observed a18bf986f563c1720de463b5542279f1...
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.