OpenTechnical

OT-2026-000053224

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000053224) never changes.

Identity and time

Publication numberOT-2026-000053224 · never reused
Internal UUID01a0ae85-0a14-710f-a7e9-610e9e144847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053224
StatusPUBLIC

Content hashes

Canonical text78bd9613d1f771553f7edba514747b3c53ffefa307f027c29b0106bed820debb
Markdown83f7df636d92d5f93ee87e3f5ae7dcf850257cf975fc023bd98d4d6c1243acc1
PDF
Publication page35245336f73f37021a40ed4f23dbe17524b21d4f81594b1f8f0fe54148edd02c
Manifest03fd83f33c5b3ec7edd6f57aeb9fa897d369ca077ce73bf51e39978b0c9d7229

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
SignatureKepRpkwiXHhuLjLrJxxxeBbEtE3tia4goJccSsxg1BV2bKL8Dpza3/3tHrwPjOzeiNiPoyoNamwUtDlNgVEQAA==
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

2026-09-17T08:40:52.033948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053224
observed 35245336f73f37021a40ed4f23dbe175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:52.013546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053224/manifest.json
observed 03fd83f33c5b3ec7edd6f57aeb9fa897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:51.993284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053224/publication.md
observed 83f7df636d92d5f93ee87e3f5ae7dcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:51.971303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053224/publication.txt
observed 78bd9613d1f771553f7edba514747b3c...
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.