OpenTechnical

OT-2026-000054284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054284) never changes.

Identity and time

Publication numberOT-2026-000054284 · never reused
Internal UUID01a0ae85-b3a9-7738-901b-0a2237f797fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054284
StatusPUBLIC

Content hashes

Canonical textdd92436a5f4cedf172e60c485532fc5397be6f616e442e5b28460dd7aa2d660a
Markdownd689a2b32fe9676c3e698f47a8df0cf76b5c4f943418ceb2e9c44f4fb5ca5aed
PDF
Publication pagec390fc1eaad142dc8d21430cdb252b322ff0bdd090be22d63a3e6f8262570c3e
Manifestbf96f96fea204344d107d834bc178fefec227ad47070c81019e97eb3bcc4c828

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
SignatureA72Mdmh8Ukt4Sry+sFnNUeM3aaa2TxZ7iByGQcADwskJ6f6sjWK7pctjp8/ZL1SmtPynOTNmrYYknSTwpj+5Cg==
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

2026-09-17T10:54:46.877167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054284
observed c390fc1eaad142dc8d21430cdb252b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.855911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054284/manifest.json
observed bf96f96fea204344d107d834bc178fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.837369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054284/publication.md
observed d689a2b32fe9676c3e698f47a8df0cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.815806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054284/publication.txt
observed dd92436a5f4cedf172e60c485532fc53...
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.