OpenTechnical

OT-2026-000039862

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000039862) never changes.

Identity and time

Publication numberOT-2026-000039862 · never reused
Internal UUID01a0ae78-d8d6-7dba-b82b-781215dd4be8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039862
StatusPUBLIC

Content hashes

Canonical text5a6fad6bcb71d10e643926963049aee2386720a1ad4238a3cf5b55b866bb9aea
Markdown555b8ac099983f964b505d920f8e6db2515a247788ec73140366cc1aeb9a8431
PDF
Publication page8a1388b45e7f6e7ff63814efbacb6f5647fb026e456e0ca69d2475162b73b4f7
Manifest0e971e23b4cc0722ec8f4a7dd65e10a414bc40161351f21e886c6dbf63379fd6

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
SignaturefE/A7D7ZT3uf4l8Q6XefbaRhaT4nnIhLoqb2mMbuUFvdl/cAfAgTSibfm6ckb7NB3R15Wf/8wLWbjE2/+6LdAw==
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

2026-09-17T11:20:08.475669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039862
observed 8a1388b45e7f6e7ff63814efbacb6f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.456906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039862/manifest.json
observed 0e971e23b4cc0722ec8f4a7dd65e10a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.435261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039862/publication.md
observed 555b8ac099983f964b505d920f8e6db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.417317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039862/publication.txt
observed 5a6fad6bcb71d10e643926963049aee2...
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.