OpenTechnical

OT-2026-000011895

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000011895) never changes.

Identity and time

Publication numberOT-2026-000011895 · never reused
Internal UUID01a0ae6d-1942-7589-af6b-12c4f1c84b5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011895
StatusPUBLIC

Content hashes

Canonical text4cd3ee54090e8885b692ae2b336f4c8545260f1bfd46ae7793ecb8566fc683fe
Markdownc8b0500df51d9e9049d414f7fca358db8e6f2eab6938b0e1f05834702311184b
PDF
Publication page529a04827b32ea4ef5e68773e3a2ec701fa15c345dbe960a290e921d79683d3d
Manifest2087764b5c68387bc85953168e27f42c1269f66ab38236921e6ea2c8fdbdb515

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
SignatureXiWbJLzeHjpO9Iab0E/ohGpJwFvi2Inii8GYmQRl1X13gBtCYkaEEUXr3CfAGVSKzsFz4h//wYfIZPKV752cDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:39.095981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011895
observed 529a04827b32ea4ef5e68773e3a2ec70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.073818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011895/manifest.json
observed 2087764b5c68387bc85953168e27f42c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.053137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011895/publication.md
observed c8b0500df51d9e9049d414f7fca358db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.031125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011895/publication.txt
observed 4cd3ee54090e8885b692ae2b336f4c85...
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.