OpenTechnical

OT-2026-000099021

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000099021) never changes.

Identity and time

Publication numberOT-2026-000099021 · never reused
Internal UUID01a0aea2-8287-77e1-baa5-6481651d3f05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099021
StatusPUBLIC

Content hashes

Canonical textb1f4921b778e27bc997d8d5e5802106fb6cef9d618387fed92d8bc9d804ca0ea
Markdown9fad1564c205487df854254cc2a5ba7841c64939ac8d7050b75990ba7ff36784
PDF
Publication page025cc44131be785dfd21203b59ae7942b1cacb771120e9d45b736ef18689a687
Manifest52df98d37be7ef00df1a4bfdb7f4c74e33af9015d2abe0aa6fbcec993d8c796a

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
SignatureLA9xUmwMV6AU0u1c5c6ldjni9XJPPnfBoXgiVJJctM77FZ6a+ksrBj4OB9i7zbHtK6ds3KuAxRr5T6K0kMYyDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:06.767584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099021
observed 025cc44131be785dfd21203b59ae7942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.750615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099021/manifest.json
observed 52df98d37be7ef00df1a4bfdb7f4c74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.734203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099021/publication.md
observed 9fad1564c205487df854254cc2a5ba78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.718727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099021/publication.txt
observed b1f4921b778e27bc997d8d5e5802106f...
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.