OpenTechnical

OT-2026-000070206

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000070206) never changes.

Identity and time

Publication numberOT-2026-000070206 · never reused
Internal UUID01a0ae91-1862-79ec-ab06-c0cec1d5bfec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070206
StatusPUBLIC

Content hashes

Canonical texte7e92137678564ee18eb8cd92494dfc2bb333e816576b75efd5b40054c18da2d
Markdown60b4577b92ffe90488615bcd673c4b59d6a36154c53170337889df5e40ef33e9
PDF
Publication pagef9099c3b73ba0737557e32e5e4c446fb4845d5c75688a59946030931a8eef0bb
Manifestce73bbebb72d27655a64808c16c8345a3391fca12d61744eb9edc973e4ef219d

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
SignaturejaQ5C6ky+8uSfXRIEJRrNxk8GQ5BwT4ddMigYZNlqQaUbpPCAfESOl5xiD4sDoYJ20OaQJFH/Scf4GtWQRcnAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:29.773211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070206
observed f9099c3b73ba0737557e32e5e4c446fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.755265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070206/manifest.json
observed ce73bbebb72d27655a64808c16c8345a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.737044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070206/publication.md
observed 60b4577b92ffe90488615bcd673c4b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.712190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070206/publication.txt
observed e7e92137678564ee18eb8cd92494dfc2...
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.