OpenTechnical

OT-2026-000101783

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101783) never changes.

Identity and time

Publication numberOT-2026-000101783 · never reused
Internal UUID01a0aea4-0e17-79eb-9d55-32a471324dc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101783
StatusPUBLIC

Content hashes

Canonical text29df84b457e3bf8abffaea8b9c3e2c581be1b4e5f02bd24edfa5cde13a59f203
Markdownc18bca56452979ca4743f6d02fdb0cef496145774023fca739e48e1533eb7c62
PDF
Publication page38003b397fa17973ed9ed99d120bd4556ec5b560d1c8138811d281f9c00416db
Manifest24c1a786894b4cd20df57a5c8a3da410815729f52187f547e21c960cc8fae02c

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
SignatureGgari7yBjAuFAcf325a0cnS6583Jg7NY1PBsCnGuTtobfyl3eGCGYdfzeEa9LG8cPx8offNafSTxfPEcVIVtBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:16.757362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101783
observed 38003b397fa17973ed9ed99d120bd455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.740212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101783/manifest.json
observed 24c1a786894b4cd20df57a5c8a3da410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.723470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101783/publication.md
observed c18bca56452979ca4743f6d02fdb0cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.704757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101783/publication.txt
observed 29df84b457e3bf8abffaea8b9c3e2c58...
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.