OpenTechnical

OT-2026-000058595

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000058595) never changes.

Identity and time

Publication numberOT-2026-000058595 · never reused
Internal UUID01a0ae88-f39c-7518-a0c8-363ecbda8f63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058595
StatusPUBLIC

Content hashes

Canonical text94b74439381654eeaa05e19aa299fe2469060e435ed2bc534218e28f89ddf6fa
Markdownd687123a42cb97e9d0228c6d3c7f540eb99842cdb4f59173ecde7a97990bcf0a
PDF
Publication pagebb81504f2448c7615392d6a9c24bffc5f8dc39ed6c286ee6fca0d8f81d76983a
Manifest994ea682c00bfea4aeb4f7652fcbf6317299f115b24a1930f90ce501ae6c1a78

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
SignatureND2BrJjxoM6D54JwKRk6vUpr56FbRNLUr8Wt73zfd4VmVMT9UvlguGU0b/ZB1ftqONkwmM0OeJ6l5YSI3xQxCw==
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...

Independent retrieval

2026-09-17T10:47:05.694941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058595
observed bb81504f2448c7615392d6a9c24bffc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:05.677121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058595/manifest.json
observed 994ea682c00bfea4aeb4f7652fcbf631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:05.658847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058595/publication.md
observed d687123a42cb97e9d0228c6d3c7f540e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:05.640469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058595/publication.txt
observed 94b74439381654eeaa05e19aa299fe24...
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.