OpenTechnical

OT-2026-000048992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000048992) never changes.

Identity and time

Publication numberOT-2026-000048992 · never reused
Internal UUID01a0ae81-134c-729b-81c6-9100bc28ff45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048992
StatusPUBLIC

Content hashes

Canonical text1c966a58adc8c451c8bc1126db525226dbed6cdd8b3df8172379554a01d6874a
Markdown70dad01f747f70debf818c66dac9dabc42992f57ae875776ae9ff7cd6eed9ed0
PDF
Publication page6745b127a4a84bf0a1d349feae4dd609a48865278850bb50760aaa22386b7e9f
Manifestacf103865c6da2868c8d33c3b4e71f4dc98fab2a746d35fb51b3e20dbbfcd7f2

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
SignatureQvvd+IgJz8g/iz5cSGlrHdDSBi94i3i6coK/bh+X4zDImTM6XY6kd/KTc6XJXq6yjM8HjUtl5PQiYSg1FeV6DQ==
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

2026-09-17T11:03:11.964341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048992
observed 6745b127a4a84bf0a1d349feae4dd609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.947344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048992/manifest.json
observed acf103865c6da2868c8d33c3b4e71f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.928919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048992/publication.md
observed 70dad01f747f70debf818c66dac9dabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.912501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048992/publication.txt
observed 1c966a58adc8c451c8bc1126db525226...
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.