OpenTechnical

OT-2026-000045531

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045531) never changes.

Identity and time

Publication numberOT-2026-000045531 · never reused
Internal UUID01a0ae7d-8f01-766b-8b8a-04530d9dfcab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045531
StatusPUBLIC

Content hashes

Canonical textd192d602eef4d1880a175a9cc498cd1ffed29cfdfaf6557f674b6b31ab08689f
Markdownf46c3ec63ed9edeb776ae2cec730b70258e6d1ba488546e0140f9ecf401e3692
PDF
Publication pageb60935ab0841b07c0c7e560efe9096f19c02b2205415f0d7ab4c43edad96ca20
Manifest0a74b4001b13b293bc472cdd40ef4404e6c88374cb12681db5b7eefec3f024a2

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
SignatureKlAjXIlKQjuiGg/jnwJjZFnd+Ij5pxVnbryz1txoeVsSjrfJ0FYx16UVM0OFXsE1iU7OBoaFu1IytyPPUrzfCQ==
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

2026-09-17T11:09:16.627106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045531
observed b60935ab0841b07c0c7e560efe9096f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.605564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045531/manifest.json
observed 0a74b4001b13b293bc472cdd40ef4404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.586852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045531/publication.md
observed f46c3ec63ed9edeb776ae2cec730b702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.569018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045531/publication.txt
observed d192d602eef4d1880a175a9cc498cd1f...
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.