OpenTechnical

OT-2026-000005691

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, contact triggered

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-2026-000005691) never changes.

Identity and time

Publication numberOT-2026-000005691 · never reused
Internal UUID01a0a941-976e-7eae-a67e-846c8206d979 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:23.249255Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005691
StatusPUBLIC

Content hashes

Canonical text62386a753d098156ad522dc6ae75b8fa06f11833aa309cdc06eec63d04ab7aa8
Markdown291274526fb583323c1616768961284bda85ec72ae3502dffc42dc2ab8e9d970
PDF
Publication page8ebbc6d67d6641399b92797cd67b9cd4994c2d687770c4bcff5a4646ab46e41a
Manifestbee45d2c6dabc4a629fde58f6780d751286d45ab9f784e426f5859c42408bd8c

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
Signaturex+P3gLAELPnxYPmMhLaRZIZkQpdVe8bzm0SEYRjNXop5iyT/GJNoj4m+DRNiC9J/cx58AD5GkXLeKs0k4vxHCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:11.216118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005691
observed 8ebbc6d67d6641399b92797cd67b9cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.200945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005691/manifest.json
observed bee45d2c6dabc4a629fde58f6780d751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.186904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005691/publication.md
observed 291274526fb583323c1616768961284b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.170557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005691/publication.txt
observed 62386a753d098156ad522dc6ae75b8fa...
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.