OpenTechnical

OT-2026-000006971

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, pump fed, contact triggered, silicone cups

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-2026-000006971) never changes.

Identity and time

Publication numberOT-2026-000006971 · never reused
Internal UUID01a0a96e-19da-78fc-9509-5db09474e1af · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:00.220738Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006971
StatusPUBLIC

Content hashes

Canonical text07793648938d14102ee680c93bddef780dd27796d19047ae91bc72cbca7c1522
Markdown5e9148635d9f7a19326bae634227657e5a70df70eb74c0e4d514fabbca4c7cfe
PDF
Publication pagee6751122d78661ee6792a75af94f8adb07f97d7c149c6d1294a5aa18682a77fb
Manifest7a16ac902e1bce8a041ceb2c0fb340b2c7b7718c4dbae84f7218e483c056f05a

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
SignatureYdPscSV/CTYyc08Ev1e3JD4LaHIDaEYmKFAIWkkgF19bbQr2l9rFukQmZDPXAxLHlhP8XHZyoStOBxANNJpSBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:16.403261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006971
observed e6751122d78661ee6792a75af94f8adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.391425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006971/manifest.json
observed 7a16ac902e1bce8a041ceb2c0fb340b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.378135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006971/publication.md
observed 5e9148635d9f7a19326bae634227657e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.238237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006971/publication.txt
observed 07793648938d14102ee680c93bddef78...
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.