OpenTechnical

OT-2026-000086311

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000086311) never changes.

Identity and time

Publication numberOT-2026-000086311 · never reused
Internal UUID01a0ae9a-2c96-786b-a163-3ab491b872d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086311
StatusPUBLIC

Content hashes

Canonical textf5aa8ce5dd5ce9ba0f869e116991c9a2d3542a528577af5d4051b1e5d20fdf77
Markdown947ad31d3da9389756a4b3727d5a4c3ec235d4e0ce778377b8d25811467e7a36
PDF
Publication page3cb1a9103e7c73126e770266a9daef644f481f6aa633c1d41ed9cb2dc74f7152
Manifest78511ccfcc4a58790993e77da7d0b009f0c81c193975d1d115eb149efbee03ae

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
Signaturea0uXV7ICCobeBHCBlxlZG5WtAneluc3dZwgVzqm+W9N66nFr95jj1RtnsRV4H6oTzsolT8LOcS6OyG/8RCgSAg==
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

2026-09-17T09:51:59.718098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086311
observed 3cb1a9103e7c73126e770266a9daef64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.701090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086311/manifest.json
observed 78511ccfcc4a58790993e77da7d0b009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.684002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086311/publication.md
observed 947ad31d3da9389756a4b3727d5a4c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.622086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086311/publication.txt
observed f5aa8ce5dd5ce9ba0f869e116991c9a2...
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.