OpenTechnical

OT-2026-000006930

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, vented after set down, polyurethane 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-2026-000006930) never changes.

Identity and time

Publication numberOT-2026-000006930 · never reused
Internal UUID01a0a96c-b330-7f1f-b548-10567a2b72f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:28.403209Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006930
StatusPUBLIC

Content hashes

Canonical textdef3be3ae053b0a023bfdd1455f867267ac164241d00885ecc5cda4f6958e619
Markdowne2ae7a9850788cc5497310aa7a5d01fc6cdd0f26e389fc7d890afc4d546817d7
PDF
Publication page5b92bc4c15b24181aa7c4e857b3ac95754f4b59387eeefe26c5cd8794c49903e
Manifest801c6c53c5dabde205cee09a3df6ef3a236b5117e6de1389644a68bc7bc670ff

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
SignatureYTS++dooiOn25+USDjJAwDAXzjODWrwyMvRHza1isK4yBAcSWJ8WoxHiCffkw+i0BXk2ok5FBHxIrg7zlQKPCQ==
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

2026-09-16T09:00:20.886992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006930
observed 5b92bc4c15b24181aa7c4e857b3ac957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.749182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006930/manifest.json
observed 801c6c53c5dabde205cee09a3df6ef3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.736170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006930/publication.md
observed e2ae7a9850788cc5497310aa7a5d01fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.722920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006930/publication.txt
observed def3be3ae053b0a023bfdd1455f86726...
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.