OpenTechnical

OT-2026-000071848

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000071848) never changes.

Identity and time

Publication numberOT-2026-000071848 · never reused
Internal UUID01a0ae92-1e92-7926-8a91-b903c236a405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071848
StatusPUBLIC

Content hashes

Canonical texte38a4a9152656c41b632abc65f50fcaef1b4d5e47c609d43414fb724e0c31412
Markdown838073efdc12dbdf288cacc7441a6fbb36a47e6ae66a36e228282a30a097a349
PDF
Publication page8e4691f9f1dd8571ce8b4d605f1d1a25256cc4df544946b681f327049335b3c4
Manifestd70424e02a59d118e84a63e2db964290e7dfb18b64df5bfccfa3d52da3425e9c

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
SignatureZm0cWpYCLw4InYH6TdzMtR/BrYAaLVRa3PdRztnWGCkJuH/GwqcoF81coHiIUDr/3abEy2ABU53Fyq8VvlZnCw==
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

2026-09-17T10:24:01.672768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071848
observed 8e4691f9f1dd8571ce8b4d605f1d1a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.655192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071848/manifest.json
observed d70424e02a59d118e84a63e2db964290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.636015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071848/publication.md
observed 838073efdc12dbdf288cacc7441a6fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.617049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071848/publication.txt
observed e38a4a9152656c41b632abc65f50fcae...
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.