OpenTechnical

OT-2026-000005602

Publication integrity record

Vacuum cup gripper, two zone face, three stage ejector, pressure verified, polyurethane cups, oval form

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-2026-000005602) never changes.

Identity and time

Publication numberOT-2026-000005602 · never reused
Internal UUID01a0a93e-ac58-7823-9f89-74a8e11132f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:11.995003Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005602
StatusPUBLIC

Content hashes

Canonical text23afc0aaadab635aa78662040e2770e8a79a35c61dbc574587fc4e978ffcab65
Markdownc29db3a920294e3fefc02df5e29c81c37b4e7dbbe02536b5da41407633f428cb
PDF
Publication pageab01cba45252c86f4d11f045fb06dadb3581aff1a450b11664df3a916e61b83d
Manifestd963b1bba597c116ca13dc48965d33886c7e7058d8c9803fd32ed93511a3195b

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
SignaturejdNSNTZYot5KIEDHiEsNRFO7M3QAZof5jcrpIwZIHwyq2qCY5pgIrFN45OC3qHD0BjKrNWUX0/pYjpTqB0ALBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:21.931328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005602
observed ab01cba45252c86f4d11f045fb06dadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.917579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005602/manifest.json
observed d963b1bba597c116ca13dc48965d3388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.903911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005602/publication.md
observed c29db3a920294e3fefc02df5e29c81c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.889946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005602/publication.txt
observed 23afc0aaadab635aa78662040e2770e8...
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.