OpenTechnical

OT-2026-000005882

Publication integrity record

Porous face vacuum gripper, three stage ejector, contact triggered, sustained 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-2026-000005882) never changes.

Identity and time

Publication numberOT-2026-000005882 · never reused
Internal UUID01a0a948-01f8-79f6-82c5-7da9d714c6fc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:23.739195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005882
StatusPUBLIC

Content hashes

Canonical textca1ac82084e48ce08158539c3a5e7e3e37654d67faa29a5e1933a05d18e10917
Markdown81f8fa570c1ef86a05a97a7e0d3e0b9983b891f1aaccb3c57db255128214aaa2
PDF
Publication page852dbfcb7af99b1e69f796fe19377fd19cd18493c2335f5d785da50fdd8c0130
Manifest3e6d0a67bb78e40e2b9965cc22c66f6283ee2e7639d399975a6e866d2e83e831

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
Signature27mqFaGTjWje3Le5K6PKnv7NYt7WaMBBq2eTCf9l01E7Rr1vfMP4dMdXoEAWDewaHetkHYKgXckgFOwGHvHeDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:21.959446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005882
observed 852dbfcb7af99b1e69f796fe19377fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:21.944748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005882/manifest.json
observed 3e6d0a67bb78e40e2b9965cc22c66f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:21.930528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005882/publication.md
observed 81f8fa570c1ef86a05a97a7e0d3e0b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:21.917212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005882/publication.txt
observed ca1ac82084e48ce08158539c3a5e7e3e...
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.