OpenTechnical

OT-2026-000100156

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100156) never changes.

Identity and time

Publication numberOT-2026-000100156 · never reused
Internal UUID01a0aea3-3052-7130-a7f9-6d2c9ec4f11a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100156
StatusPUBLIC

Content hashes

Canonical text5e676bce16d146a868459f4779d53cbb7cddc410fa983eed19f1ffa673e356bd
Markdown45b39e9c5c50fa0c416d6dbd1c567b5dc028765539bf20aa876493a3655c1da2
PDF
Publication page0f34d3ab3dea001c3b9b473d9bc6335498948442b8c28ae427f4ce01f60bc738
Manifest69c3e8bdc2d4987d9a45db50387247a4f972e02367a6a9164af89d09f4364b17

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
SignaturexZe4Ty8P6YDXItPDIqesvxizATlKhQqrlcbBl+IT0251b+5kWaCEp8ZQgPzsQIayhv2MwN70tMXCHAAdWdF6Ag==
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

2026-09-17T09:27:51.784612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100156
observed 0f34d3ab3dea001c3b9b473d9bc63354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.766272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100156/manifest.json
observed 69c3e8bdc2d4987d9a45db50387247a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.745951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100156/publication.md
observed 45b39e9c5c50fa0c416d6dbd1c567b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.726796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100156/publication.txt
observed 5e676bce16d146a868459f4779d53cbb...
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.