OpenTechnical

OT-2026-000092109

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000092109) never changes.

Identity and time

Publication numberOT-2026-000092109 · never reused
Internal UUID01a0ae9d-8759-71a3-b0ab-62d35f90880c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092109
StatusPUBLIC

Content hashes

Canonical text6fde8955ce7d77fc2c38649c3118b5ef9fe52f30e1a1dc827eb0886023b8ec9f
Markdown6ad9d1cdfde2a2be59c8f8adea15764fa481aeb291763750039d5e2c54788c5c
PDF
Publication page959204d954d6783de983cd9189aa3fa5eebdfee7d68e4a6d8c76795c6129d194
Manifestdf9e80ba231d50773decb0a37f0fe842efb15027861df4fcd08de911bfa108d9

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
Signature/WI6+6IaGaNImHHAkqJwrt8mYpeBOukZb6ovD/jZ7FlENgNkZl6pYrSGXHUyqBTZalP174RGy6VpukgoSuiyAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:34.366760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092109
observed 959204d954d6783de983cd9189aa3fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.349728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092109/manifest.json
observed df9e80ba231d50773decb0a37f0fe842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.331163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092109/publication.md
observed 6ad9d1cdfde2a2be59c8f8adea15764f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.313685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092109/publication.txt
observed 6fde8955ce7d77fc2c38649c3118b5ef...
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.