OpenTechnical

OT-2026-000042223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000042223) never changes.

Identity and time

Publication numberOT-2026-000042223 · never reused
Internal UUID01a0ae7a-5d72-73fa-9e06-20c4b7eae875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042223
StatusPUBLIC

Content hashes

Canonical text39efcdd9967586ac3b8ff1876f0a0f444bd3d995c7d06ea6b8c7a06ecc0e308a
Markdowne2171dc1d764af22582a3614fa78e0350c06b1c739195ea99bdd77a922db41de
PDF
Publication page567fc1de38ee17df4cffab9f34c88799069b3600d1d0eeef148de736eee41d0f
Manifest89dd2b934619e9fb3e978004a7c263ba7b51f3730c43f8d7114a16fb950529f3

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
SignatureMSAxyTypv6PdKGFKVOBSAxW1mpyC7hSRO5fktS/+jiRXLjZN9ULfbUgPUj1OGxsV+zOWVNE/VaqrUW4BlyU7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:15:53.830582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042223
observed 567fc1de38ee17df4cffab9f34c88799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.811382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042223/manifest.json
observed 89dd2b934619e9fb3e978004a7c263ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.792962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042223/publication.md
observed e2171dc1d764af22582a3614fa78e035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.773382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042223/publication.txt
observed 39efcdd9967586ac3b8ff1876f0a0f44...
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.