OpenTechnical

OT-2026-000006335

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, pressure verified, silicone cups, flat 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-2026-000006335) never changes.

Identity and time

Publication numberOT-2026-000006335 · never reused
Internal UUID01a0a957-6b4c-7e93-9cd2-91e658f86206 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:13.743352Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006335
StatusPUBLIC

Content hashes

Canonical texte87247dbcf45b0ba25b4785df91e4038025d95f1df7ea3f293337210b7597a2c
Markdown83b5ebc3a1942a2296fe31d0f817f9a69b7efa1045c845a09b540e4747833632
PDF
Publication paged54be0f5eb5a13190a32f2f21c0159f1013286102ec15a32d17c1fde7092b1c8
Manifest813d009a93bf12ca4afce989db27fd1163b83f08eeff5b79ff952f24deae75b3

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
SignatureK6X7TlHB4hPvtOIuPFWjagf3Sk0xMiFZ//Ev12OuOj7Z4Zjp0QxaPEMV2KohAIj6MCa/sNViXc/5zhd9IJhsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:29.950325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006335
observed d54be0f5eb5a13190a32f2f21c0159f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.936547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006335/manifest.json
observed 813d009a93bf12ca4afce989db27fd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.923209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006335/publication.md
observed 83b5ebc3a1942a2296fe31d0f817f9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.910633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006335/publication.txt
observed e87247dbcf45b0ba25b4785df91e4038...
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.