OpenTechnical

OT-2026-000064769

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000064769) never changes.

Identity and time

Publication numberOT-2026-000064769 · never reused
Internal UUID01a0ae8d-deba-7a77-ad30-9922a3603035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064769
StatusPUBLIC

Content hashes

Canonical text817ca46f9c440f59c9b44f0626f88a83188ef03bb6ffa74847818722929fd00a
Markdowna33609341d1fa03fe6dea3aecb8d90228571ec4bac9569b9dd68bd4e4152eedd
PDF
Publication page8d4fa292b64acea2da2957aaf87ea8ab895f276eb3f9a18bf989a79d2c324515
Manifest7cb8775794bedc10dc231c378a3d45121a8675b6205feeb231ae1f002b87d127

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
SignatureeZVJKPBrSx7w0IgxEDnvdfXQP9wzuyJFgQ9t6CqfgjfnRJsuc7BdmMtYDQw2vTIviJjdWpvdO9j0dsqhfquaDg==
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

2026-09-17T10:35:39.384117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064769
observed 8d4fa292b64acea2da2957aaf87ea8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.364523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064769/manifest.json
observed 7cb8775794bedc10dc231c378a3d4512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.345503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064769/publication.md
observed a33609341d1fa03fe6dea3aecb8d9022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.328395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064769/publication.txt
observed 817ca46f9c440f59c9b44f0626f88a83...
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.