OpenTechnical

OT-2026-000057743

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000057743) never changes.

Identity and time

Publication numberOT-2026-000057743 · never reused
Internal UUID01a0ae88-2695-7430-ad4f-133c7a8f00bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057743
StatusPUBLIC

Content hashes

Canonical textfa7522f683bca8c70a2985608cf6637b0c952c7f2a4ef2497bdddb36b741b760
Markdown50eed96502d94dc045ce0b3d0c22f1db1a938f126471eaa443c8e520484cf7c7
PDF
Publication page2b2b539e99271260abb06d4c126364919e6a907a02c1756d69f535a48af2d47b
Manifest5aa3df96f6b00433db50b4527c9e6e40018731cfc13062cf61be2e45846dfcfc

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
SignaturewcCJYJkGgl/+3fEhK7vaPHScQSWQlFtLyywiB3K9EOZdodFFqcJwP2+Wyr64rX+hq8HHNJ8XpFg9L9aoO61NAA==
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

2026-09-17T10:48:25.193337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057743
observed 2b2b539e99271260abb06d4c12636491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.175330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057743/manifest.json
observed 5aa3df96f6b00433db50b4527c9e6e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.156206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057743/publication.md
observed 50eed96502d94dc045ce0b3d0c22f1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.136220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057743/publication.txt
observed fa7522f683bca8c70a2985608cf6637b...
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.