OpenTechnical

OT-2026-000067461

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000067461) never changes.

Identity and time

Publication numberOT-2026-000067461 · never reused
Internal UUID01a0ae8f-6bd9-7af5-b1ea-ebaf76af8f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067461
StatusPUBLIC

Content hashes

Canonical text78548f4cf5a34f69d87f6f55384732d63e367cdbfb4f76dbd3e6a90f850a515d
Markdown4e75d107cb179e19801ec9025389fabeb48481f70e24246efe4715bad70e83ef
PDF
Publication paged03d1ea18b3bf06b3d97f8df75727ea71c9d37cc19ff513e2584792fbf987aaf
Manifest0419c4feb392f0d57e9d2ebcce92bb790661abe6e5f5f721a4850b3698ab2609

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
SignaturecqM0Rn6SyXK3Z8mzatbcllIErwLpeq6kt7yXsaIizrJg8n7XjYYddA0ajxnX7tPggz6tj9zuIpyaG+N3W7wVBg==
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

2026-09-17T10:31:40.102648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067461
observed d03d1ea18b3bf06b3d97f8df75727ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.086242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067461/manifest.json
observed 0419c4feb392f0d57e9d2ebcce92bb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.066591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067461/publication.md
observed 4e75d107cb179e19801ec9025389fabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.048598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067461/publication.txt
observed 78548f4cf5a34f69d87f6f55384732d6...
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.