OpenTechnical

OT-2026-000072563

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

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-2026-000072563) never changes.

Identity and time

Publication numberOT-2026-000072563 · never reused
Internal UUID01a0ae92-89d8-7056-98b8-3b1774883c9d · 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-2026-000072563
StatusPUBLIC

Content hashes

Canonical text311a5e39a75a96c706470e6facf230aedf0d665c02434711951d01d7f1ecf709
Markdown9401f8ad82782e6ff653903d5ad5fa6bbaced3bb705f952febfcb2d3b356fafd
PDF
Publication pagee28a8bcbbf91e5a5d1155f480f6d9c4149aa8f76a47bf0db47dc66263c913b2b
Manifest9ffa4f49c2a2b3dbb0f5937656eaa95a41faba2ed6b8e2ccad392ab2d69b7c05

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
Signature6csG05cHTZIWz1cqmtCqCRpwAebA972cKCQ6SkRcojjhtyu7rXpKIHMO0s8kF+vmyc6jTIl/NNX+D/FDHH/0CA==
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

2026-09-17T10:22:23.947781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072563
observed e28a8bcbbf91e5a5d1155f480f6d9c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.928659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072563/manifest.json
observed 9ffa4f49c2a2b3dbb0f5937656eaa95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.911365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072563/publication.md
observed 9401f8ad82782e6ff653903d5ad5fa6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.892665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072563/publication.txt
observed 311a5e39a75a96c706470e6facf230ae...
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.