OpenTechnical

OT-2026-000059590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000059590) never changes.

Identity and time

Publication numberOT-2026-000059590 · never reused
Internal UUID01a0ae89-ec23-7ffb-8b72-b2fdbb7fd299 · 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-2026-000059590
StatusPUBLIC

Content hashes

Canonical text590b30cd293bd45fc936f2736b35075e69d18f013b9902aeebe59c584d7c2bac
Markdownc7f71c3a5b45d11f0ce2f1ed4f42deffaf166ed7ea555e1e81def4c550d7bb73
PDF
Publication page9eca85cc790f0a6e884cf3ea70d01e96f66fdcb4ac409b95b3cce7aa73f7f2e2
Manifest97329dd833fed18b9812b09d5fb104306188c1d7e797d4a70048b4f4867b0723

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
SignatureI+OugAGciCfCuwkNd8UrAm1X03St8DEi/Bwn/s4KQXeovU4xLAan/FCboQf68EGo4hUFLGckOwqvhIBYLDV1Ag==
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

2026-09-17T10:44:14.512477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059590
observed 9eca85cc790f0a6e884cf3ea70d01e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.494833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059590/manifest.json
observed 97329dd833fed18b9812b09d5fb10430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.477011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059590/publication.md
observed c7f71c3a5b45d11f0ce2f1ed4f42deff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.460266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059590/publication.txt
observed 590b30cd293bd45fc936f2736b35075e...
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.