OpenTechnical

OT-2026-000063287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063287) never changes.

Identity and time

Publication numberOT-2026-000063287 · never reused
Internal UUID01a0ae8c-94ac-7bb0-bcd3-270338652af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063287
StatusPUBLIC

Content hashes

Canonical text72ff9fb39775ef40907c962b4c63984030d2929201740e23ac81a849899b5a9e
Markdowna585c5777c4858834db3e7cfb1fbf8e21e93f18bdee8224cdbaa1c1ae004d403
PDF
Publication page710e4b6b9f596595c47fc787e7e7a2fe9e93cfe758b19cb965fd86bcd32da135
Manifest66a1d271ef9c12ce35188296e8d468bff91ef3fbf3c282b17ec8a44f9888cd73

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
Signature8+3dGQ9WdWy8qfA3uOKQ2bBPh3958R2mmwa6clx/NwBKHPpkt0KT28RIF9JOceVwsmpQf7buXS1UKcgKXF60CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:10.834484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063287
observed 710e4b6b9f596595c47fc787e7e7a2fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.818056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063287/manifest.json
observed 66a1d271ef9c12ce35188296e8d468bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.799316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063287/publication.md
observed a585c5777c4858834db3e7cfb1fbf8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.779942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063287/publication.txt
observed 72ff9fb39775ef40907c962b4c639840...
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.