OpenTechnical

OT-2026-000048675

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000048675) never changes.

Identity and time

Publication numberOT-2026-000048675 · never reused
Internal UUID01a0ae80-c32b-7c81-a6f6-c519cccf9257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048675
StatusPUBLIC

Content hashes

Canonical text1863bceaaab29085a5d80004ba0b6962fcc5fcee0e17c01939bed547ca4476cb
Markdown827c407046b5ac696a251b437aa0b174e0686925728d061c642d55191c20d002
PDF
Publication page3fae9a4e576f47d43b965e42e3132488a76e445ecd504a983cfa165c2ef4b774
Manifest0f236bdab16a737c0c820d6f94a46c841f0e8e836a78fe7e0c720800fed9d9ab

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
SignatureQJzZGnfBai+r5Ok6+zdmGIqZrxT523F4gdqh5nhsb2z/7YJzmSh4WUzoV4/kWAriDZEpsOROJa/zzgkk936GAw==
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

2026-09-17T11:04:17.958646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048675
observed 3fae9a4e576f47d43b965e42e3132488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.938680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048675/manifest.json
observed 0f236bdab16a737c0c820d6f94a46c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.920054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048675/publication.md
observed 827c407046b5ac696a251b437aa0b174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.899857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048675/publication.txt
observed 1863bceaaab29085a5d80004ba0b6962...
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.