OpenTechnical

OT-2026-000006913

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, contact triggered, silicone 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-2026-000006913) never changes.

Identity and time

Publication numberOT-2026-000006913 · never reused
Internal UUID01a0a96c-1a35-76d5-98ab-ecc382342a10 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:49.239715Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006913
StatusPUBLIC

Content hashes

Canonical text24cf904ef812b8242e031a5644c8e927d1b62a56301dd3348ebaeada5d6f9733
Markdown53b14686c75407dddcb004055117637b8f8c22a4446273cec73bcb722fc24818
PDF
Publication page5e192c39a88290f22f6406fbddb1a82dc576e7d40670d96c5398f25a14b1faad
Manifest0298e2a752efbca89d1ce64b6eb08a7c78550d0b501153656b0264ad85e23006

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
SignaturemhEudz1BzL/2XCQOWpHaL7aXmw6nWaWeCRRzz1jkIq5JGp2BZbDv1Yg5lvLAIOPrS/EnE6N2E4x0Wgg8HWXwBQ==
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

2026-09-16T16:41:32.644321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913
observed 5e192c39a88290f22f6406fbddb1a82d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:32.528809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913/manifest.json
observed 0298e2a752efbca89d1ce64b6eb08a7c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:32.392576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913/publication.md
observed 53b14686c75407dddcb004055117637b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:32.241337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913/publication.txt
observed 24cf904ef812b8242e031a5644c8e927...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.690615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913
observed 5e192c39a88290f22f6406fbddb1a82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.678507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913/manifest.json
observed 0298e2a752efbca89d1ce64b6eb08a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.665713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913/publication.md
observed 53b14686c75407dddcb004055117637b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.652107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006913/publication.txt
observed 24cf904ef812b8242e031a5644c8e927...
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.