OpenTechnical

OT-2026-000033980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000033980) never changes.

Identity and time

Publication numberOT-2026-000033980 · never reused
Internal UUID01a0ae75-df0b-74a2-8645-e100480cf402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033980
StatusPUBLIC

Content hashes

Canonical text6c849335151e75f9a5386cd43f12e6197e7cc0eab7433d34b03d8ef326d880b0
Markdownaf5b5bb403a249dd9682dd3b16808b2c901a309830cf09cb22bcd09230a64849
PDF
Publication page6979e350194775249db151007cf7d71ba318079b29242d741c13fb97461b8ed1
Manifestf226eefbf6e97d8c968293b759f3909e835c6e9a1a01d1072864dbece4c715ba

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
SignaturesVBWSe4LAt2jKN4hRKS/sh+vx15aKqIbrLMjbaMIKvLdwuBoi5NOhMfIAxxchjyw64ik1HhgvTPp41zDemOqCg==
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

2026-09-17T11:30:06.922158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033980
observed 6979e350194775249db151007cf7d71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.902410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033980/manifest.json
observed f226eefbf6e97d8c968293b759f3909e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.880361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033980/publication.md
observed af5b5bb403a249dd9682dd3b16808b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.859948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033980/publication.txt
observed 6c849335151e75f9a5386cd43f12e619...
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.