OpenTechnical

OT-2026-000081299

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000081299) never changes.

Identity and time

Publication numberOT-2026-000081299 · never reused
Internal UUID01a0ae96-f374-7f64-b503-4e68f75756ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081299
StatusPUBLIC

Content hashes

Canonical text41dd29fd07c5ce5db2aad855cebae13966e8af66bd120aeb25f975fd8370e9b8
Markdownc3060263d0913fa22be3eded8b18fe147ba62abac74f8d60e89b2805298042ea
PDF
Publication page9ebdc7ebb90c7f62b3ccb062977ffefbe6e6ebc6633d838d4545a9aa54730495
Manifestac218812b9c627330cc77e8b9c9705f0d6c6e1f599dec192540a4835123016c2

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
SignatureazkWM9F8IIulC/6pwKIDRZFxVq45mqgmkGSRlD1f0sh9IMreOxt6EobNQSc8JmVYnv4qb0uS9k1h9xIhvDVTDw==
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

2026-09-17T10:01:24.597880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081299
observed 9ebdc7ebb90c7f62b3ccb062977ffefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.580330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081299/manifest.json
observed ac218812b9c627330cc77e8b9c9705f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.561630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081299/publication.md
observed c3060263d0913fa22be3eded8b18fe14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.545376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081299/publication.txt
observed 41dd29fd07c5ce5db2aad855cebae139...
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.