OpenTechnical

OT-2026-000005242

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, two stage ejector, pressure verified at each zone

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-2026-000005242) never changes.

Identity and time

Publication numberOT-2026-000005242 · never reused
Internal UUID01a0a932-8b6b-7bd4-b4b4-edca290de240 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:50:57.134579Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005242
StatusPUBLIC

Content hashes

Canonical textfb1a0cfb999f957ff1796fac12590b5f769358fa0e13b251276acce00d599f81
Markdown847d20bed7ecd8398007e4cd84a00b65e4a615ae779a851fbb342fd1f034c3aa
PDF
Publication pagedfecdea69b6d8200c0798b2dc378f4a0a8e47f9d11b12a68b6dcc2102f0dab2b
Manifest7d25fae35f238557c8dbc8fffd106fd98ca58ddeae6e9a5e052a016658d1c7c7

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
SignaturekzJKJwhVqXUbYMTkDP8v6IkTnpVURJ1l/LzW1gbgyNJo220oaKGNbjHcsPdPPMqy3mla0h2A9e2GPDigzVa2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:31.686967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005242
observed dfecdea69b6d8200c0798b2dc378f4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.674672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005242/manifest.json
observed 7d25fae35f238557c8dbc8fffd106fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.657835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005242/publication.md
observed 847d20bed7ecd8398007e4cd84a00b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.643931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005242/publication.txt
observed fb1a0cfb999f957ff1796fac12590b5f...
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.