OpenTechnical

OT-2026-000102685

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000102685) never changes.

Identity and time

Publication numberOT-2026-000102685 · never reused
Internal UUID01a0aea4-858b-72d2-9e79-fe9614c2bcd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102685
StatusPUBLIC

Content hashes

Canonical textefe4288cb35c0c345beafa026da149d4f01010562e0dcb64101fc30cd64df0e2
Markdown0da5a5ef15f07f75125c610e788d4c2090754cc767df6e39cd0db64902d61b73
PDF
Publication page387d320337a2fd9936152965e9956abd98a287c5b1cd902b1d3d4cc35c2f0fc8
Manifestaba7e467e9cdf0e8c13a76e36300d446877efedfbca96f1bf50954c010e05b3a

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
Signature9akwiiXVEpbLJg8XDHnaxoim8UQbMD70KYwxqHw3KUnBRUafUdvXOv5RuATrcVq8aBbFt2Zg5jyOKxrqPl9fCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:11.472422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102685
observed 387d320337a2fd9936152965e9956abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.455383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102685/manifest.json
observed aba7e467e9cdf0e8c13a76e36300d446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.438150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102685/publication.md
observed 0da5a5ef15f07f75125c610e788d4c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.417763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102685/publication.txt
observed efe4288cb35c0c345beafa026da149d4...
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.