OpenTechnical

OT-2026-000049609

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049609) never changes.

Identity and time

Publication numberOT-2026-000049609 · never reused
Internal UUID01a0ae81-8f7d-7410-bbbf-4b945dbe033d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049609
StatusPUBLIC

Content hashes

Canonical textc95b53d00bae18361ebaeafba30c6c800641f0273c56481ce1d622d27b428e28
Markdown00ab64ad7721f6f6c3139b7e0bbacfdac249200fd29f81007d82adad8a902c6d
PDF
Publication page5df4f9d2ed87a6ff82ff2b198a942a72f194d96bcf2ba4325985bfe6dffd2a3c
Manifest8b5682d0289c98d58b077473e8816a574724f4a13a72b3b5ed432050e85886c6

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
SignatureUlipxL4u5w5mk+FG4h/GAyHj19sAoAU5P7cnysGwDWas3aoO3ja1eD3812seTYMwu0RrhrjT8LsNFb/oNe+LAg==
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

2026-09-17T11:02:35.582366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049609
observed 5df4f9d2ed87a6ff82ff2b198a942a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.562498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049609/manifest.json
observed 8b5682d0289c98d58b077473e8816a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.544878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049609/publication.md
observed 00ab64ad7721f6f6c3139b7e0bbacfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.526320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049609/publication.txt
observed c95b53d00bae18361ebaeafba30c6c80...
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.