OpenTechnical

OT-2026-000013763

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000013763) never changes.

Identity and time

Publication numberOT-2026-000013763 · never reused
Internal UUID01a0ae6d-8de9-7abd-97af-006981aefa4c · 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-2026-000013763
StatusPUBLIC

Content hashes

Canonical text0e5fdc6004e66cd7d40224c0eb13da00a1951275343d6bb18691f728562db8d6
Markdown0e1d69e3f84200920ce7d1380ceaf799702fa853ad255f340499de7de1e47d2d
PDF
Publication page6221e326d2ba6b6cc742ba77e38e72170f5a8016737db2fdb709fc16cbff2b98
Manifestb7e0f6cd3dcb947e49c4fcce5f2bcfbc85e65d9f54b845b3576c04e124dd8d7a

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
Signature11Rqe40V1yUwA4ffFFHTR9yCFr5Dw0zJ/XQ3pKaxSqkwYcCpLf+v4JxVbxZgaWUUGpT1eukRNNpUliwt5hG/Cg==
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

2026-09-17T12:08:50.354549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013763
observed 6221e326d2ba6b6cc742ba77e38e7217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.334295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013763/manifest.json
observed b7e0f6cd3dcb947e49c4fcce5f2bcfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.314697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013763/publication.md
observed 0e1d69e3f84200920ce7d1380ceaf799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.294777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013763/publication.txt
observed 0e5fdc6004e66cd7d40224c0eb13da00...
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.