OpenTechnical

OT-2026-000024553

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000024553) never changes.

Identity and time

Publication numberOT-2026-000024553 · never reused
Internal UUID01a0ae70-e8cc-76ac-879d-d8b4dcdf3668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024553
StatusPUBLIC

Content hashes

Canonical text23c91346f579b4d84979d1ad7eee3ac82c0afbc9cc65fa9c37a0ba02ad62f4c1
Markdownc264b1894974b34f3fb22cbf36ea2047374ead13971df01e871088a62aa5a819
PDF
Publication page6e8f505374aac2aacb145b0066e70338a721edd4b4ddae3d50998a932ef4d179
Manifest87c0c4d1d8f6fe242535258e4fb7d34a7a39ed79a354d4d93bf443447149d101

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
SignaturewBV7+ZqR1g4RSaZMMk/qmtsyQ4kmHCGSqAFFNlMnJom2/Jvi4kdCNkAon6gm3Co4sDoU3Fcp40YjcuAfgRShBw==
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

2026-09-17T11:50:41.997323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553
observed 6e8f505374aac2aacb145b0066e70338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.963521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553/manifest.json
observed 87c0c4d1d8f6fe242535258e4fb7d34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.762331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553/publication.md
observed c264b1894974b34f3fb22cbf36ea2047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.732984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553/publication.txt
observed 23c91346f579b4d84979d1ad7eee3ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.239700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553
observed 6e8f505374aac2aacb145b0066e70338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.224360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553/manifest.json
observed 87c0c4d1d8f6fe242535258e4fb7d34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.209380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553/publication.md
observed c264b1894974b34f3fb22cbf36ea2047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.193496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024553/publication.txt
observed 23c91346f579b4d84979d1ad7eee3ac8...
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.