OpenTechnical

OT-2026-000050576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000050576) never changes.

Identity and time

Publication numberOT-2026-000050576 · never reused
Internal UUID01a0ae82-5c49-7c22-9eb7-f9342ae0887d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050576
StatusPUBLIC

Content hashes

Canonical text64df505dc447dd6453b620b023b8209d54f04eaf18befbd9a2e4ba7f00afcd2d
Markdown6d613e2d63a4a1732fb04e29388931378d6323df3a3e02c630f61b9a4fb516a6
PDF
Publication page2808f7063dedc82eac1b8004721fac4de2f4095793120cb0ebd602f684682791
Manifest548b00d618402a43a1766c9b301e7442d3253b7a3213618b5c7c85a9cf0396e0

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
SignaturekUz9p5Psx0l695g96k0Qx1arCA2eh69DNA1ORtvV00GPmHHAJLF98jcd7WeTEB9unIqxU5+pMzfRLFAaY2AtBA==
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

2026-09-17T11:01:40.658795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050576
observed 2808f7063dedc82eac1b8004721fac4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.641982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050576/manifest.json
observed 548b00d618402a43a1766c9b301e7442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.625177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050576/publication.md
observed 6d613e2d63a4a1732fb04e2938893137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.608047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050576/publication.txt
observed 64df505dc447dd6453b620b023b8209d...
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.