OpenTechnical

OT-2026-000055012

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000055012) never changes.

Identity and time

Publication numberOT-2026-000055012 · never reused
Internal UUID01a0ae86-5e80-7fe1-9134-70a4b0a035da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055012
StatusPUBLIC

Content hashes

Canonical text636c2bc0be2e68111bad0ec91a126209b6bcf28a841cba55bc318e622e04b649
Markdownf9a2f2e01823121561a7cf0dae56ba39b4cb2e89503886da5cfcbea662bea5d6
PDF
Publication page48266d14ae6851acf6b71831da529380e52fe0005b01801e135896b0cc5e761c
Manifest58af09f08ab96b4f6d19bdbf1d9523383c74dab849685ec251aebda766b6433d

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
Signature/qWFSNQTbhsjQYD1Zr/bltretwEpeAwUYxVlumVczlTTcGc1vgZgIbxrku6QOxtm78KTnNli/G006Un+nhNYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:08.712494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055012
observed 48266d14ae6851acf6b71831da529380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.693781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055012/manifest.json
observed 58af09f08ab96b4f6d19bdbf1d952338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.675763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055012/publication.md
observed f9a2f2e01823121561a7cf0dae56ba39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.657250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055012/publication.txt
observed 636c2bc0be2e68111bad0ec91a126209...
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.