OpenTechnical

OT-2026-000103850

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000103850) never changes.

Identity and time

Publication numberOT-2026-000103850 · never reused
Internal UUID01a0aea5-15e6-7451-8df2-2ef395243e44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103850
StatusPUBLIC

Content hashes

Canonical textb5d6ec82115d14075bcc451a508be3591247f18233d78cca643e49020685fa91
Markdown4c76339b03e0423a850ae60cbacb3ccb7c936cc585ef8295a4148033701b4ff7
PDF
Publication pagedb059574d6bb46652a53395c95c204844a6fd8390cfaa06762180c2fa0ea6d44
Manifestcc1d1533a960823812cb995ffedffa551a781f46870daf57688ed99b753b2e97

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
SignatureR/hLBPzmqYJDD3qiDaD3Jt4pXjCG6pB5oD7v1LdtPSQeqxAJuTv/J0PYVKYZbD9jtPFQZ1q3lCJQK87ax1kVCA==
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

2026-09-17T09:21:49.809566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103850
observed db059574d6bb46652a53395c95c20484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.791422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103850/manifest.json
observed cc1d1533a960823812cb995ffedffa55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.774045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103850/publication.md
observed 4c76339b03e0423a850ae60cbacb3ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.757326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103850/publication.txt
observed b5d6ec82115d14075bcc451a508be359...
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.