OpenTechnical

OT-2026-000099874

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000099874) never changes.

Identity and time

Publication numberOT-2026-000099874 · never reused
Internal UUID01a0aea3-1473-7edd-afb9-d5b800bcf330 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099874
StatusPUBLIC

Content hashes

Canonical textb94294302aabc7547f7206b02ed7e22e67acc2db9fe35ca6362741b8b28b7ce0
Markdown5745d96582f15b33991e5f05845617059eda690055ae14f53a4bde898e40c0b8
PDF
Publication page488afa958a004dd9bedcf9fae0e22bf9aaa34764ea1436f8372f2944cf324020
Manifest57f81a2d0fb2efc504aaffb45095926d4919a60eb612226e6ddcb638251f037e

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
Signaturef5iD42w6soRWZw+y+Y9D8nCvFU+rwOv/sOwrS6orWnCVoyPo9vvOtcH9Pue72G7SbRj2gd0fyAlQU7R8f01/Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:29.927999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874
observed 488afa958a004dd9bedcf9fae0e22bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.908966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874/manifest.json
observed 57f81a2d0fb2efc504aaffb45095926d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.888246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874/publication.md
observed 5745d96582f15b33991e5f0584561705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.869566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874/publication.txt
observed b94294302aabc7547f7206b02ed7e22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.642153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874
observed 488afa958a004dd9bedcf9fae0e22bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.624334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874/manifest.json
observed 57f81a2d0fb2efc504aaffb45095926d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.605615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874/publication.md
observed 5745d96582f15b33991e5f0584561705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.586052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099874/publication.txt
observed b94294302aabc7547f7206b02ed7e22e...
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.