OpenTechnical

OT-2026-000091516

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000091516) never changes.

Identity and time

Publication numberOT-2026-000091516 · never reused
Internal UUID01a0ae9c-f16e-73ed-b78d-144ce1344941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091516
StatusPUBLIC

Content hashes

Canonical texte6cc7b72e651684031d15b8f529ffc442564e138bd5da12556484c56b763bfec
Markdowne81daa5af4f9042ffe9ad1dde5eef7a5bec464f92ccdc16695f30db7be480fdb
PDF
Publication pagec00d96804d354191cb76c35982710b5d74e6a787d72d70b0403485d356b10db5
Manifest1cf6556d0cc2e80fab6459e285925b4a101276a48913816414fa8a86f4f607db

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
SignatureucaRf79R/1xMUqEPx54TOKfORXCjmr/ByqqKQ2riRQz6Fl0xOawsPYF4tAQaESYbdScl9yo1xA+KQ0t9vbF7CA==
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

2026-09-17T09:43:46.910359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091516
observed c00d96804d354191cb76c35982710b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.892229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091516/manifest.json
observed 1cf6556d0cc2e80fab6459e285925b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.875497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091516/publication.md
observed e81daa5af4f9042ffe9ad1dde5eef7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.858479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091516/publication.txt
observed e6cc7b72e651684031d15b8f529ffc44...
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.