OpenTechnical

OT-2026-000012872

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012872) never changes.

Identity and time

Publication numberOT-2026-000012872 · never reused
Internal UUID01a0ae6d-5563-71d4-a4b4-797116533fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012872
StatusPUBLIC

Content hashes

Canonical text58b22d0211f577e322b89ef8238b39865b5138ed4a72856eb0b00c842a64b93e
Markdown0080d59d1988134789429dbd386adffbb95ba27068872e342d9dc4e82d1d286a
PDF
Publication pagecdcfbf849e3037d725e8c049bc557ba78fe63d97bf896d9ea2d7955a3b200ab0
Manifest8071b5691728f3cc3992970c778de542f3320294fdf3a75cce7517e01345c5cb

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
SignaturecZvb5mYdpH/HHo2c+YSwC90aNiSr9Jikzn3/Y58xvO5tD4oIK1plupeOfmEAdXL/zRr3OfNsjTz6odl0JGQwAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:39.394927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012872
observed cdcfbf849e3037d725e8c049bc557ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.376354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012872/manifest.json
observed 8071b5691728f3cc3992970c778de542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.357943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012872/publication.md
observed 0080d59d1988134789429dbd386adffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.338476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012872/publication.txt
observed 58b22d0211f577e322b89ef8238b3986...
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.