OpenTechnical

OT-2026-000077292

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000077292) never changes.

Identity and time

Publication numberOT-2026-000077292 · never reused
Internal UUID01a0ae94-f508-7d84-99c8-3e7a0ccd1dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077292
StatusPUBLIC

Content hashes

Canonical text4fac7348d639f4dba3a20be632957e573e0d6628e6034d2fdbd37a6335654063
Markdownc1e374376ca29e57536ea4aa7a2baa586bbc47240187cf15a38109f0f910d786
PDF
Publication page5e6c7c735cb2b65f2f3a90c7ac8fb8ddda6fa832280969c3bb346e959ea16927
Manifestcdd15078d6dfbf200a40feaeb0f0aae419bf7db2d07e7fa719400c966b108b19

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
Signature/DRnFtY1MOjlqIRb8sRgxx3+BOurTDaZu2sO3teDkkf/vSqZSJw3UK7/GYmlWzEv2rnMycvEleLm03/ur2K2AA==
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

2026-09-17T10:08:55.612202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077292
observed 5e6c7c735cb2b65f2f3a90c7ac8fb8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.592620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077292/manifest.json
observed cdd15078d6dfbf200a40feaeb0f0aae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.573897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077292/publication.md
observed c1e374376ca29e57536ea4aa7a2baa58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.556061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077292/publication.txt
observed 4fac7348d639f4dba3a20be632957e57...
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.