OpenTechnical

OT-2026-000043193

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000043193) never changes.

Identity and time

Publication numberOT-2026-000043193 · never reused
Internal UUID01a0ae7b-327c-76cc-9fb2-c63d88a15d2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043193
StatusPUBLIC

Content hashes

Canonical textec71adb09d16e6dc34748957f3c4a36589b97c894e3a4d1a94ee310792487411
Markdowndec2cbe968ff2c701b94c46227d365840ca28bdf641a19007490384f2ef27ddc
PDF
Publication page0631fe98812e07142dadcefb2c50b27d667ac55f79a670e7043d28f93ae04104
Manifestbdf632f9a69640cb30c9f6006a3701bcb226179f27eccf4b8e9dc5415aa680d5

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
SignatureDEOrHwqLCGUVzdVZyC0jk5uMI4s7ZUHcssWc67nXHjD8piuEOcQLUaf8DO76Pm6isy+o0sdITOhHTiuIOS+iDQ==
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

2026-09-17T11:13:38.934498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043193
observed 0631fe98812e07142dadcefb2c50b27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.914657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043193/manifest.json
observed bdf632f9a69640cb30c9f6006a3701bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.897371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043193/publication.md
observed dec2cbe968ff2c701b94c46227d36584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.879325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043193/publication.txt
observed ec71adb09d16e6dc34748957f3c4a365...
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.