OpenTechnical

OT-2026-000030519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000030519) never changes.

Identity and time

Publication numberOT-2026-000030519 · never reused
Internal UUID01a0ae73-e504-7f37-b9b7-51713f66a121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030519
StatusPUBLIC

Content hashes

Canonical textc69abbcf6f74bd987758807dd7d022cf40deb3a3b0d58dcd275ec50860449222
Markdown467da5dfdd9cab263e13fbc4e66e2c56c5eaf216e8be572bbff6266873d26aa1
PDF
Publication page5a74c12d8416cdd22f1ae1428a91bb8339b93c801733b888e83e733c884bdb7f
Manifest5f1744e166d6cc1490e2aa851a8c66d5fd8a48b3a6852d249f35f26dd69c4b68

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
SignaturePj20La1ovjWpBTe55yon0L1HmqPV86yFU2elZ/sHtEE+YLum+kVeyAJVPZY1P5+lee5z4gE9aWuolx7yAapHBQ==
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

2026-09-17T11:38:23.078912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030519
observed 5a74c12d8416cdd22f1ae1428a91bb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.062379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030519/manifest.json
observed 5f1744e166d6cc1490e2aa851a8c66d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.039873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030519/publication.md
observed 467da5dfdd9cab263e13fbc4e66e2c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.020658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030519/publication.txt
observed c69abbcf6f74bd987758807dd7d022cf...
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.