OpenTechnical

OT-2026-000013877

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000013877) never changes.

Identity and time

Publication numberOT-2026-000013877 · never reused
Internal UUID01a0ae6d-8dea-746b-91ea-6e2b8b380426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013877
StatusPUBLIC

Content hashes

Canonical text0111d216176fb77845e75bf35373efdf10e838d5f25406e2b92c8183b0e7efc0
Markdownba2fd1a68b34ab6dd824b37efc55b3d7e04846ba9671bff5eda367408e208c36
PDF
Publication pageee15f524ffb2fbaa29626f8a9db72b95fe78e6434b67108160264b258257b501
Manifestbdfb2d20496f5a91427c138aa38e75eee23488a88a84650f69830edf14d9ee3a

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
SignaturexZmfvdrAVSuOrl25pHjC9oNlvrRNTEATTl8INDQIAuleZhe9ugSZRlzdaS05rW1afdn8Yw4oOTwlcebaXCZ5Cg==
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

2026-09-17T12:08:59.687584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013877
observed ee15f524ffb2fbaa29626f8a9db72b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.670369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013877/manifest.json
observed bdfb2d20496f5a91427c138aa38e75ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.652887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013877/publication.md
observed ba2fd1a68b34ab6dd824b37efc55b3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.635165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013877/publication.txt
observed 0111d216176fb77845e75bf35373efdf...
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.