OpenTechnical

OT-2026-000067615

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000067615) never changes.

Identity and time

Publication numberOT-2026-000067615 · never reused
Internal UUID01a0ae8f-6bda-7cf1-a735-cade249d8306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067615
StatusPUBLIC

Content hashes

Canonical text3fc0523e195870f3b5e2ed879aee43349480315efe86d18fc4b48d355420e12b
Markdown1c903852660d9c9b9e9ff6de4e81f11c2a16574b9537023249f20e556144f6c1
PDF
Publication page690339507338c5d91bf4c5182be29a5d527402ab595191aa041b3f23b2a4350d
Manifestd76ba1fef33929551e03327f726ff7dd56cbd232fa428a262a301c43f2487bbb

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
SignatureI64cycqyUWPssVE5JvHg+Iun2wSujzki+FIiqfu7ctEdcqE3AJqdnv2/M54h/l0afIITaT2OBEziQr04egMTAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:56.137208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067615
observed 690339507338c5d91bf4c5182be29a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.120620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067615/manifest.json
observed d76ba1fef33929551e03327f726ff7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.103733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067615/publication.md
observed 1c903852660d9c9b9e9ff6de4e81f11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.086996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067615/publication.txt
observed 3fc0523e195870f3b5e2ed879aee4334...
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.