OpenTechnical

OT-2026-000059681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000059681) never changes.

Identity and time

Publication numberOT-2026-000059681 · never reused
Internal UUID01a0ae89-ec24-723a-b21f-8f3672297c05 · 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-2026-000059681
StatusPUBLIC

Content hashes

Canonical texte9f6fe73536dbf86500a1f2ef333a2c4bdbeb53c301332a89c5c0d0e688bb5b2
Markdowna7d8c6f3d5b6515bf9eade2e42561029b5821440917e7bc885eeb28eedbcbc58
PDF
Publication page54617a4a29f480070a997b1df71241ebefc5aeea32c78700c28b1aa3f471688c
Manifest250dbbe606e00b2a241da311f4490c0237c3027f8284bb17766012d0d95806b0

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
Signature1emwYhZUtPd8WhU7SVtpza1vekElX6zp/J8n8WwwaB/TQUacVYfEj9w6MtRL8RaotffFdIyA2taH82rLJnWBAg==
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

2026-09-17T10:44:23.161629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059681
observed 54617a4a29f480070a997b1df71241eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.144217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059681/manifest.json
observed 250dbbe606e00b2a241da311f4490c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.125856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059681/publication.md
observed a7d8c6f3d5b6515bf9eade2e42561029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.107020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059681/publication.txt
observed e9f6fe73536dbf86500a1f2ef333a2c4...
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.