OpenTechnical

OT-2026-000040122

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040122) never changes.

Identity and time

Publication numberOT-2026-000040122 · never reused
Internal UUID01a0ae79-26fe-77fa-b81d-d04739a2a116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040122
StatusPUBLIC

Content hashes

Canonical textc93349fc0ff5cf726d7ee0e4ecbaa3d0840180359c717cc04b2f376a471e6d1c
Markdown9590e6a22820e43c4d02f295aff0f928e30ecebdd48880edbb00187698f09810
PDF
Publication page67a2e0f2d83796405348fd1f2b618a8ec995292cdd37327f7f71fb82896b20f1
Manifest38b91fca3f039d45f341a38ad949cf199c8fc2b0af0d8388290ec5fb978c50ef

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
SignatureZAxPDYO28XAkLgsxJg3uQaNPboDqb0zPU+7f47JR8ZY7+toP5FKvXk45+qF1brjRUB+Bd7TcLGvmsI/m7/P/Dw==
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

2026-09-17T11:18:59.416907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040122
observed 67a2e0f2d83796405348fd1f2b618a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.401313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040122/manifest.json
observed 38b91fca3f039d45f341a38ad949cf19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.386157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040122/publication.md
observed 9590e6a22820e43c4d02f295aff0f928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.369281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040122/publication.txt
observed c93349fc0ff5cf726d7ee0e4ecbaa3d0...
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.