OpenTechnical

OT-2026-000102033

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000102033) never changes.

Identity and time

Publication numberOT-2026-000102033 · never reused
Internal UUID01a0aea4-50f2-71b8-9274-39eae9c7bec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102033
StatusPUBLIC

Content hashes

Canonical text8a5d504140c3fa21572743b53af5a376b56eb89100e6b828ebfd9d93a5a7cb5c
Markdowneea6dd52197b39d60bf07bb0536761c5d46b7074a52d2ac5ea42c33a2753918d
PDF
Publication page6c7c4225948b77ed6d93fd966415fec7b0f5d6c5383d3e93baec29559b3c9694
Manifestc373fc007010eb148a7c2d47fcb15d7c2f37cb19cc55e5b4df96d2f3fb1f7f76

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
SignatureSv5lBe8tBQDwnH/mioxq3tD0MV0Lw7FdpQisT0scwDHy7QXMLsnMAGUB9RnXkxalOYr24wMhTCa9DICjlnO1Aw==
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

2026-09-17T09:25:10.163053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102033
observed 6c7c4225948b77ed6d93fd966415fec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.145247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102033/manifest.json
observed c373fc007010eb148a7c2d47fcb15d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.126333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102033/publication.md
observed eea6dd52197b39d60bf07bb0536761c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.106441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102033/publication.txt
observed 8a5d504140c3fa21572743b53af5a376...
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.