OpenTechnical

OT-2026-000007018

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector 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-2026-000007018) never changes.

Identity and time

Publication numberOT-2026-000007018 · never reused
Internal UUID01a0a96f-b4ca-7ca7-b0e2-a90c50812215 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:45.421969Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007018
StatusPUBLIC

Content hashes

Canonical text6e01fa5e4f4ac4e98482381f8942163f29f0bce876b183ad357eb8a8eae7f888
Markdowncc22add2f9fa34807d1a8bf07bb66017440438617926edd4bfba00ab5ec0e7e7
PDF
Publication pagec86568fe0d50350820d959996f5e18ccc0c412c94713385a06c1db6301756334
Manifestf4bf43a8fe91bf3da5cc07d59aa0100c909e224e6ac8458ecaefec0449a1412a

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
SignatureKqmvX/bRkpcIGp7qnWPTNvOzCQln52xZyJXVWFeVPsEgVFSwO4X1EvCNv/jtoojuvWsTNbU1bCWJaRr4HTOmAw==
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

2026-09-16T09:00:11.202839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007018
observed c86568fe0d50350820d959996f5e18cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.190801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007018/manifest.json
observed f4bf43a8fe91bf3da5cc07d59aa0100c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.175923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007018/publication.md
observed cc22add2f9fa34807d1a8bf07bb66017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.161469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007018/publication.txt
observed 6e01fa5e4f4ac4e98482381f8942163f...
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.