OpenTechnical

OT-2026-000072555

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000072555) never changes.

Identity and time

Publication numberOT-2026-000072555 · never reused
Internal UUID01a0ae92-89d8-74ff-993f-3002f372b0d6 · 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-2026-000072555
StatusPUBLIC

Content hashes

Canonical text0d4ae033c2fdc183b31c553430cfc187b75ea13352adf28b0eea7ed9f9dbd2d7
Markdownc014df4689fa21e390377ac0b474e51f8a209eb3aea54b84974d1e38797285c9
PDF
Publication pagedc9bcb816b3aa65e3b391df64dbfeefec4d8bcb9de0a711e56f5cbacddbc9310
Manifest2d7ebda554a74ea15064d1968ce428e506a36f6dde3286f29a67b8c082c251b2

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
Signature5h/JEKmMsdZq0HGGBe7i5XAaVcvksrc/yFjoTAqrMpUUA1QE5tvEEDy+KZUc/yyI0r2M3AHvN6N3SAgPmYnPBw==
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

2026-09-17T10:22:23.245472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072555
observed dc9bcb816b3aa65e3b391df64dbfeefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.226618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072555/manifest.json
observed 2d7ebda554a74ea15064d1968ce428e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.209709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072555/publication.md
observed c014df4689fa21e390377ac0b474e51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.191360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072555/publication.txt
observed 0d4ae033c2fdc183b31c553430cfc187...
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.