OpenTechnical

OT-2026-000049111

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049111) never changes.

Identity and time

Publication numberOT-2026-000049111 · never reused
Internal UUID01a0ae81-134d-7c9b-bdef-c976185c868b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049111
StatusPUBLIC

Content hashes

Canonical text5d2fa11c62bad8127cd3270872b1a616376ed8c521ea3d22e3e1e7fb41a3b969
Markdown2c9fe924b5c9a112f537242768e6b4ce9af65244cef9b157f45e1e37aef579f3
PDF
Publication page619ce9dbfaf047867d78bd1fda79aaed8114405a61d03b77a1ad56bf3663a18d
Manifestcf3ccdda000c106c1cc2245cf1b8a28dc969692b1bd0ba0b31bf63c03fa58ab9

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
SignatureokHFnSt5oQQyNCfczAjG0DLnLeWBSlTuHxDKtn4MmSRAIGfMfQ4TvcsnUc5eFwomHgDTQeAmk3cUaTjCGNVmAA==
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

2026-09-17T11:03:22.173125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049111
observed 619ce9dbfaf047867d78bd1fda79aaed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.153975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049111/manifest.json
observed cf3ccdda000c106c1cc2245cf1b8a28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.136007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049111/publication.md
observed 2c9fe924b5c9a112f537242768e6b4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.115900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049111/publication.txt
observed 5d2fa11c62bad8127cd3270872b1a616...
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.