OpenTechnical

OT-2026-000055811

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line 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-2026-000055811) never changes.

Identity and time

Publication numberOT-2026-000055811 · never reused
Internal UUID01a0ae87-0a49-747e-89c3-9ea25513022f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055811
StatusPUBLIC

Content hashes

Canonical text05463b97a6cbc380509074e2b70ae6ea5aa0ea0b6ca87877aa5087283e432191
Markdown495c3a5e6bf3caf9b0d784b954c471ab201e3740fbc50eb60f6356efd994b249
PDF
Publication pagec6b55758f49355c9fb5327a86b5b456e4616aa6cc06b2aa8eca7320cf59690a1
Manifest58b1227946a0a805a0f4839e21fae5e3c69b384cc24ae33852ef2fe9924524c5

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
SignatureAE03nkItEM6cygnPjNZkKFxqybOuXuSrccwbrg+FAuBeYj08lC0jwaCXlc6W+vqzwMq05yJlbzI3ihJ5FLiOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:11.490870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055811
observed c6b55758f49355c9fb5327a86b5b456e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.472386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055811/manifest.json
observed 58b1227946a0a805a0f4839e21fae5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.453873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055811/publication.md
observed 495c3a5e6bf3caf9b0d784b954c471ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.432554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055811/publication.txt
observed 05463b97a6cbc380509074e2b70ae6ea...
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.