OpenTechnical

OT-2026-000103195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000103195) never changes.

Identity and time

Publication numberOT-2026-000103195 · never reused
Internal UUID01a0aea4-be3e-70f5-8a7c-43912036a0bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103195
StatusPUBLIC

Content hashes

Canonical texte03daaca0771da1acb6cf79e6adcd2a86d552ce149313a72016f3188d1446622
Markdownb02903e49e0ec4b33cffaf7f56c59571f9ace44e3b6512d6976ed4766949f200
PDF
Publication pagecad76b348a36df46b1255ae50f25761dd0f31d8bfcd15dbc12eebdecde6e104c
Manifestd114fc10fc0470c8e79108694b110505a6a3c0f9b769b43a539a264d869f30cd

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
SignatureAjUrfQWLjPhD+7bNISp4cMnyOg/Z9wLHEQlVyvcn0etZPeG71rxG3++AcMtlZYUOO37UPcq70cT87Zdoh1yrBw==
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

2026-09-17T09:23:25.176301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103195
observed cad76b348a36df46b1255ae50f25761d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.160318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103195/manifest.json
observed d114fc10fc0470c8e79108694b110505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.140203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103195/publication.md
observed b02903e49e0ec4b33cffaf7f56c59571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.121973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103195/publication.txt
observed e03daaca0771da1acb6cf79e6adcd2a8...
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.