OpenTechnical

OT-2026-000087597

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000087597) never changes.

Identity and time

Publication numberOT-2026-000087597 · never reused
Internal UUID01a0ae9a-cd53-7bb2-bf58-62140e60c789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087597
StatusPUBLIC

Content hashes

Canonical text35f1e544d454f6079c77be96acdd3053cf432075cbb372ef86d4eabe85aeff57
Markdownb2667a657adecb76d6c72adffd5de5623060ab8d1dce58e4b715baf317566251
PDF
Publication page9f600fce6dc7fd2fffd7f14517ad699188116aa19d8a5c2c14030cf172682b0f
Manifesta95c08551a6a3d2a69ae7b19016a0429830d21c6013ce76f131f4b9d3e1a7cfd

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
Signature3QB1BK3B6a577KfudwOeDvLsm7KXJvRO40HzNpYJ+s+SKzZe+yqBpk2MAbPvjM2qi7QNeAQMWx1IJan0fOWfAg==
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

2026-09-17T09:51:02.107190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087597
observed 9f600fce6dc7fd2fffd7f14517ad6991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.090764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087597/manifest.json
observed a95c08551a6a3d2a69ae7b19016a0429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.073398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087597/publication.md
observed b2667a657adecb76d6c72adffd5de562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.056794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087597/publication.txt
observed 35f1e544d454f6079c77be96acdd3053...
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.