OpenTechnical

OT-2026-000072604

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000072604) never changes.

Identity and time

Publication numberOT-2026-000072604 · never reused
Internal UUID01a0ae92-89d9-77be-8772-1ea8e61d3ca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072604
StatusPUBLIC

Content hashes

Canonical text565261ce804ecdd6f841701500c6f041e40547bde85de23e35c964c91f886113
Markdown4acc9bd05ca811ff6518ae03ad7c73982d796a67aa6d52e9c271cc76db294595
PDF
Publication pagee9e138d335a6401e12e05e0df8fdec2a817610d29fc94d20fb57bbe70aece089
Manifest688ef0352d9e2e2b50a29900f83623b28f2b1069b39d9b0d9bcc644e91b23db8

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
SignatureEzp8MOR2RuJK7vvNf2XMguqsGcvcLom6QoBHYOoGp+9SrtBp86+ia3sNsvCfIh3XJiTk04et2e8FmnDHzD6MCA==
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

2026-09-17T10:22:27.082903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072604
observed e9e138d335a6401e12e05e0df8fdec2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.065845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072604/manifest.json
observed 688ef0352d9e2e2b50a29900f83623b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.048168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072604/publication.md
observed 4acc9bd05ca811ff6518ae03ad7c7398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.030328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072604/publication.txt
observed 565261ce804ecdd6f841701500c6f041...
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.