OpenTechnical

OT-2026-000054127

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000054127) never changes.

Identity and time

Publication numberOT-2026-000054127 · never reused
Internal UUID01a0ae85-b3a8-7f93-ae9e-78936ccf0d14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054127
StatusPUBLIC

Content hashes

Canonical text40f2455e7a14cf41ce0b9b175e98e58d3d9bca966fadd80a454b5ec2c8c0145b
Markdown6e7013fa5aa1cb13ca0516959aca7e52e85436929f3bce8262df97328220535d
PDF
Publication page9172deff85c271b3e6ade7ede5207e3dc3ed4de707745e1d8f65ffdbfdca6574
Manifestaa4b0d71c72461315e1c6c8bcabfad9ff9698841e05b2b9bddc472310efe4a86

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
SignatureAxd61HRu01DuSfRJ64rmuFH9vJ13M52q9PCpzzRhTy/yLPgaTfI0xwDwxHOVeLb+NcZ7z2CD8xPoaWu5RHwgAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:32.341000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054127
observed 9172deff85c271b3e6ade7ede5207e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.316224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054127/manifest.json
observed aa4b0d71c72461315e1c6c8bcabfad9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.298420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054127/publication.md
observed 6e7013fa5aa1cb13ca0516959aca7e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.277688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054127/publication.txt
observed 40f2455e7a14cf41ce0b9b175e98e58d...
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.