OpenTechnical

OT-2026-000050739

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050739) never changes.

Identity and time

Publication numberOT-2026-000050739 · never reused
Internal UUID01a0ae82-c7b1-7d32-b236-5131814cc768 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050739
StatusPUBLIC

Content hashes

Canonical texte9bf9bbb587622df41a8b6be84688de7342e4d07c4b0031f318c0c505b412ad2
Markdown4cf4e88cab2b2516d3b29da8135cd2ef705bbab4a7a516b48a24321b40ae5140
PDF
Publication page5d1a7ffc84869ea61440bed9d105d9192c2ae6f23f2f725caebffa29c1ea40c6
Manifestfc69ee3a5770230d3d732b610dace00fd69b3071b64d6298dc425ee8c432d1bc

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
SignatureJZjPPw4fQdrN4VHFvmyy60g1d+Mzvhvsrm7q5Qph4Mlg/YL7XVaETHNOT2xhdSovxmi7413mWHO6e0A+Me/+DQ==
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

2026-09-17T11:00:06.781028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739
observed 5d1a7ffc84869ea61440bed9d105d919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.755120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739/manifest.json
observed fc69ee3a5770230d3d732b610dace00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.729572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739
observed 5d1a7ffc84869ea61440bed9d105d919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.723166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739/publication.md
observed 4cf4e88cab2b2516d3b29da8135cd2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.708253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739/manifest.json
observed fc69ee3a5770230d3d732b610dace00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.700418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739/publication.txt
observed e9bf9bbb587622df41a8b6be84688de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.683340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739/publication.md
observed 4cf4e88cab2b2516d3b29da8135cd2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.663798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050739/publication.txt
observed e9bf9bbb587622df41a8b6be84688de7...
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.