OpenTechnical

OT-2026-000042683

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000042683) never changes.

Identity and time

Publication numberOT-2026-000042683 · never reused
Internal UUID01a0ae7a-c0cf-7f1d-a4a3-9fef4bf971da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042683
StatusPUBLIC

Content hashes

Canonical text2937ad592fb3c130dcbe55d905ee9a63777c00152c9736486d9bf5567bcec937
Markdowne44bef048d745cce4d4d2617c58037040ef887e0cf71d989451e979e059c5fdc
PDF
Publication page81b15dee769ec1b3f84b3690cdec2db3920ff1bc8a691e0b9e4c516dc8c721e9
Manifestf4a50c75adf35af11b5677d520619c3a569f35811eee33bce2fcd6f0c99a4753

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
SignaturejHqMF9uzTjMQhE9irp+swRpE6lcq2gnCeagxHCG7gSOKTxqccZToz+Uy/hdKn39WoxtL/bugUrRg7KSe1Z1TBw==
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

2026-09-17T11:15:02.216871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042683
observed 81b15dee769ec1b3f84b3690cdec2db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.199579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042683/manifest.json
observed f4a50c75adf35af11b5677d520619c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.179925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042683/publication.md
observed e44bef048d745cce4d4d2617c5803704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.160079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042683/publication.txt
observed 2937ad592fb3c130dcbe55d905ee9a63...
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.