OpenTechnical

OT-2026-000023156

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000023156) never changes.

Identity and time

Publication numberOT-2026-000023156 · never reused
Internal UUID01a0ae70-7267-724c-9ae5-9f99ae7b2202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023156
StatusPUBLIC

Content hashes

Canonical texte96cbdac08d71293108fa28e429c08bfcf0a5582bd5b4b8e0ef0d48a415590c2
Markdown3b3e917aacb2e23712659b46dd3abd12cc27b557ef7c7bc72fa26d3223d274f4
PDF
Publication page13e33f6d25058af07f9259afa8047358098c04ad255653d6c33b1d89f93bfffd
Manifest09fc1263197723e7de4c822bf0f8aa44275e94af95619938ce888e4aafe0579d

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
SignatureT0nZzzRDvsE5oj0Riscryv/Os0RJX91hJcMUzpyFaL2fnAOT8dEf2ayReeDGTPl5j08yjzFtYeOyR8tOzR+RBg==
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

2026-09-17T11:51:05.672010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023156
observed 13e33f6d25058af07f9259afa8047358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.654459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023156/manifest.json
observed 09fc1263197723e7de4c822bf0f8aa44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.636819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023156/publication.md
observed 3b3e917aacb2e23712659b46dd3abd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.619077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023156/publication.txt
observed e96cbdac08d71293108fa28e429c08bf...
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.