OpenTechnical

OT-2026-000075633

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000075633) never changes.

Identity and time

Publication numberOT-2026-000075633 · never reused
Internal UUID01a0ae94-29fd-773e-bc83-b9d792f4628e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075633
StatusPUBLIC

Content hashes

Canonical textdec62e5708b9c00106faffea4e4055845901f0b66b14b0d3fcc9540f4a8f85a4
Markdownca49682fa136c1e700614c2265ea28bf88684b026a610b31fdea0e8f8c06731c
PDF
Publication page435f0c1974191fee91a9037b468d31e80181e6069f4e7115b14af8955e819f18
Manifest99ad284cb860e0a27c1101ee55a150aadcd0e83cce5268bda8cacb6b65eda3e9

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
Signaturev4lkm4q2iVxijrR2F8lPm7Md+CmE8QKNFPU5Ek3csdx38CuvXJYWkzYTLCJziyjhP+4BxqVYC1NCFFCjWwHVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:30.209259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075633
observed 435f0c1974191fee91a9037b468d31e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:30.064838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075633/manifest.json
observed 99ad284cb860e0a27c1101ee55a150aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:30.000249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075633/publication.md
observed ca49682fa136c1e700614c2265ea28bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:29.282092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075633/publication.txt
observed dec62e5708b9c00106faffea4e405584...
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.