OpenTechnical

OT-2026-000063220

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000063220) never changes.

Identity and time

Publication numberOT-2026-000063220 · never reused
Internal UUID01a0ae8c-94ab-7167-95a8-4c3d18b417be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063220
StatusPUBLIC

Content hashes

Canonical text8b23c8181fecf496e63138d5c11613ad18d2626d7faf1657528f9e6fc58af39f
Markdown5a9be26dea5eaf56c8e0ece0baeb077a25c3870169521c90aee701bd119bc144
PDF
Publication pageeef572a3697e641cf6d7f0c1ce2c79f1ee31fe6566a8a0325ca565a39c6822cf
Manifest16853e71c25fd598aae4f858f17811d255053d1e1f639cf7131385c910ffd732

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
SignaturevqiiV6XsSldQLp1sdZSheLWgQECmiNDZMysaLu6EkxlTjbR6uK5Wv1D002bRf034kixSWTzpZ/HXcJyv4y+7Ag==
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

2026-09-17T10:39:05.841432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063220
observed eef572a3697e641cf6d7f0c1ce2c79f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.823342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063220/manifest.json
observed 16853e71c25fd598aae4f858f17811d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.805332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063220/publication.md
observed 5a9be26dea5eaf56c8e0ece0baeb077a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.785696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063220/publication.txt
observed 8b23c8181fecf496e63138d5c11613ad...
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.