OpenTechnical

OT-2026-000049423

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049423) never changes.

Identity and time

Publication numberOT-2026-000049423 · never reused
Internal UUID01a0ae81-8f7b-7b2c-a8cf-7519ed0a4085 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049423
StatusPUBLIC

Content hashes

Canonical text828c291b2a83e888600871bb7def855c164ba49b70f7d7bc774e30ce5560b48c
Markdown7d052052d3d33ed9415c63b51484c02742b6337abf403e063327b4a594729900
PDF
Publication page6e605d6e604a1911fd3f7215729b2046e97683a40ea704e9ce38bb03182b64e6
Manifest966f30364e894a901f68f2f6aadc24d7af015c010db6d674a3b02f7b1fe11d1b

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
SignatureCja7Cb2KI9U9A6S1yXqOyKEGZu8qGCWflPjqeSkNSeyBOQbce2sIjLF+XU9mUfyHeyIT/yyEOXQkOs6zDxj9DQ==
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

2026-09-17T11:02:14.895575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049423
observed 6e605d6e604a1911fd3f7215729b2046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.877958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049423/manifest.json
observed 966f30364e894a901f68f2f6aadc24d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.859399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049423/publication.md
observed 7d052052d3d33ed9415c63b51484c027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.842391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049423/publication.txt
observed 828c291b2a83e888600871bb7def855c...
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.