OpenTechnical

OT-2026-000059717

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000059717) never changes.

Identity and time

Publication numberOT-2026-000059717 · never reused
Internal UUID01a0ae89-ec25-7a9d-98f6-6682e59a93d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059717
StatusPUBLIC

Content hashes

Canonical text769553b6f649ae55f9232332eba78c7fdbf37958f595f92dd29fafac5fbea853
Markdown248236ad9d0b4f1c531e0926b165d6114d806fb43ff874f57e85fbc91a9b1b77
PDF
Publication pagec4316b44f31cc1acc8044fd340161470a0206e48569037659b23a3cc58877a93
Manifestb7ae5921b0c3dedc56116a5fd73c722ef3ebf946bdac40fd6d8a7a12542c2c58

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
SignatureB6DP3ejbozxON+EC/+W67MnemVvpz0yiVEJUyeBj96q9TYYMy84z48rCcqb2pNwTI7iIgtDPRDKCP4VzQGPuDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:25.944812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059717
observed c4316b44f31cc1acc8044fd340161470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:25.925521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059717/manifest.json
observed b7ae5921b0c3dedc56116a5fd73c722e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:25.907668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059717/publication.md
observed 248236ad9d0b4f1c531e0926b165d611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:25.890290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059717/publication.txt
observed 769553b6f649ae55f9232332eba78c7f...
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.