OpenTechnical

OT-2026-000053383

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000053383) never changes.

Identity and time

Publication numberOT-2026-000053383 · never reused
Internal UUID01a0ae85-0a8f-788c-bd18-d3833e6eb73a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053383
StatusPUBLIC

Content hashes

Canonical text8ba4cd382a798435f8b31c2f88e362c0f7fb369c2f0d344344bc1bb803062d33
Markdownc1b2e005a1b63e7cf5ba94136e075c9ebf4bf182959484b34a4808626b85e924
PDF
Publication pagea7434031fb29e194b94f049416caa66cdffa86f6211fa0e4aa3e7ed16170360b
Manifest94318b89e3c2bf731d93ea2ff0559d0e71d250a8d576c2680948fd1a11cc7398

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
SignaturevryUZQofYgXXm4AHARL6jKH7M0c/Wg0tKkTgIOPTI0EYBa9JbeSrQ4qvZRdl3XR6OxvX4FnNkGrTYsg2M/g2Cg==
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

2026-09-17T10:55:06.220383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053383
observed a7434031fb29e194b94f049416caa66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.202726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053383/manifest.json
observed 94318b89e3c2bf731d93ea2ff0559d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.184595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053383/publication.md
observed c1b2e005a1b63e7cf5ba94136e075c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.166926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053383/publication.txt
observed 8ba4cd382a798435f8b31c2f88e362c0...
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.