OpenTechnical

OT-2026-000040628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000040628) never changes.

Identity and time

Publication numberOT-2026-000040628 · never reused
Internal UUID01a0ae79-6d0e-7c04-81db-22f4f076c857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040628
StatusPUBLIC

Content hashes

Canonical text2a18988e043f6a2dd62c7ac23a90be9474a91384bee93e9c32e467d017832616
Markdownfb21e59843eaac4a7d7bb22ce3cd24dafa0805159cdb6eec6e4606e95699c1a8
PDF
Publication page2658d34293269588be8ff4d297198acd007fcee161d4c98859038562efab5287
Manifestd7832045be5ad6e1f1dfa51388016d19d1c9b10bc40f080791e43770525daf02

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
SignatureU3T5+txgpKLRhYhsdKVN4w9AOigL5SEEZ5vfZ3WEsSx+7bBVN39pLun4ekJGRDDniACE0g7rX7+CeDddBFD1BA==
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

2026-09-17T11:17:48.506562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040628
observed 2658d34293269588be8ff4d297198acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.489826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040628/manifest.json
observed d7832045be5ad6e1f1dfa51388016d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.470388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040628/publication.md
observed fb21e59843eaac4a7d7bb22ce3cd24da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.452186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040628/publication.txt
observed 2a18988e043f6a2dd62c7ac23a90be94...
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.