OpenTechnical

OT-2026-000056624

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000056624) never changes.

Identity and time

Publication numberOT-2026-000056624 · never reused
Internal UUID01a0ae87-7af5-76a7-a2ce-453f8909360f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056624
StatusPUBLIC

Content hashes

Canonical text59b86bab650358145758a6b3eddf123cfb64457bfbfc46672f93d68151193801
Markdown4f986dbfc30541b67c45e300fbdc7839efb8ab035676737f7d7e6e447e8c7b7f
PDF
Publication page83bfab48caae5015ee56bd28e9c506c0b5e1b88ef050fa7d5cab59619f84025c
Manifest2d977e8de7684a11e18dbd08ca3033f027030d176aa8e4b1af98437886b9af90

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
Signature3790wsp5bU7z8+v1v/N6RNwD+YqvftBd4IUtWYjsTDssTmCXzNVpC2D2DdL8+thVuHQkrgvckbRvNUCHvtbTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:58.848175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056624
observed 83bfab48caae5015ee56bd28e9c506c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.830708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056624/manifest.json
observed 2d977e8de7684a11e18dbd08ca3033f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.813475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056624/publication.md
observed 4f986dbfc30541b67c45e300fbdc7839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.794962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056624/publication.txt
observed 59b86bab650358145758a6b3eddf123c...
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.