OpenTechnical

OT-2026-000056890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000056890) never changes.

Identity and time

Publication numberOT-2026-000056890 · never reused
Internal UUID01a0ae87-7af8-72a6-85d4-a38037e8ea87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056890
StatusPUBLIC

Content hashes

Canonical text1f0e3f6189250281bbc5b72281bdc66567d79a27c2bf0a09d666d51297ebb934
Markdown604de593458b4840ab503a26a9966db4d5fc7e2a5a01ec2454f6c38658caaec5
PDF
Publication pagee5007de0af72d85fee54dee9e333b00d4d1127f210c38d58edf4eadda912c003
Manifestae4b5bd17970c82037aae8bafc2792b3f785ff7aae7708ad9f86b736854584f3

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
SignaturegjAla+IlwiTz9vOvEGdCopPzx5UOMyzkG+R0WOv8Vg3kuA+vSLsScVADVWDnizBDKuas+SZkUZtF2F4ELaItDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:25.509532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056890
observed e5007de0af72d85fee54dee9e333b00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.492907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056890/manifest.json
observed ae4b5bd17970c82037aae8bafc2792b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.475737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056890/publication.md
observed 604de593458b4840ab503a26a9966db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.457124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056890/publication.txt
observed 1f0e3f6189250281bbc5b72281bdc665...
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.