OpenTechnical

OT-2026-000033884

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033884) never changes.

Identity and time

Publication numberOT-2026-000033884 · never reused
Internal UUID01a0ae75-a391-7d9e-b3a4-dfb9c7ef5889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033884
StatusPUBLIC

Content hashes

Canonical text6c1b76814b377ef07d639f11ce69d8a86ecb82fcd8ec623fa75932727133b507
Markdown45f7b504f753a0ccf56b81890fd9cc4dbe8697426bb4d1399a872a162d443c71
PDF
Publication paged1a328672ff218552d2c32dd077492a4301f48552eec663158f84c5a440959a3
Manifestab17a5f5116fafddba97b15f4c0595b791106bd2195d3a306919b82631010a09

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
Signature/sTZ3NpiG+/V8vxmX7FPpBe+r08RGR8mra0QyGyko+zaZ5qbe1zdOmd9o68UuINvQefI0RR2CUOIOsM1NGBGBw==
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

2026-09-17T11:31:57.375394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033884
observed d1a328672ff218552d2c32dd077492a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.356027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033884/manifest.json
observed ab17a5f5116fafddba97b15f4c0595b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.338690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033884/publication.md
observed 45f7b504f753a0ccf56b81890fd9cc4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.318288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033884/publication.txt
observed 6c1b76814b377ef07d639f11ce69d8a8...
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.