OpenTechnical

OT-2026-000020124

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000020124) never changes.

Identity and time

Publication numberOT-2026-000020124 · never reused
Internal UUID01a0ae6f-4378-72a3-b9f8-f014a6557452 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020124
StatusPUBLIC

Content hashes

Canonical textfcf28a770fb7191ca80ecf932c51fe224402aea255372fc7ddf54e293d069697
Markdown1e6bed5a4f9b877d0b743cc747b4e33a385723096cc8012268b00b663cf258f8
PDF
Publication page8b33be785e981fbbfc20cb238a7bc841a88277369008a797e06f154857ff5543
Manifesta4971b8675d8be0203f8dabe9071e0d09c8bcfb6626c4a0e45f65ce79a297caf

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
Signature2vsVVXYFFSL990WuFNODHKHlBkDqr2cF2fSHzxndVLjLOwXkddYaQoYdXY/99FqlnCwAXvcb8ApaRjuZ9Wu+CA==
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

2026-09-17T11:56:24.891568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020124
observed 8b33be785e981fbbfc20cb238a7bc841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.873763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020124/manifest.json
observed a4971b8675d8be0203f8dabe9071e0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.856823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020124/publication.md
observed 1e6bed5a4f9b877d0b743cc747b4e33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.839802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020124/publication.txt
observed fcf28a770fb7191ca80ecf932c51fe22...
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.