OpenTechnical

OT-2026-000054637

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000054637) never changes.

Identity and time

Publication numberOT-2026-000054637 · never reused
Internal UUID01a0ae86-1284-78e5-bf2e-6f8ba955f81a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054637
StatusPUBLIC

Content hashes

Canonical text2626aaa161831d5fb6adf7b898dffd88a9b8b5731af47e99da8358fd573d74c7
Markdownefcbeeae85a35a91132d9904cbc4c74c4a56adedf3ac0fac14e6ff232f0c673c
PDF
Publication page43484098640b0aa10622699b09f92f1255a8cccad3e1446e0534c339265d2102
Manifest45e54fb2794f3a81f7e35d294e77c2bc5b14309f222de3722f94acaa688ed623

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
SignatureghuIyewF9X/JQe9UWHV8//cxrt22ARVAX5OBXd4I8QNPR8Eji/OHRCdeYR4qVHVcxAoUMbxHeRC64H2hnBOpAw==
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

2026-09-17T10:53:42.104259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054637
observed 43484098640b0aa10622699b09f92f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.086896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054637/manifest.json
observed 45e54fb2794f3a81f7e35d294e77c2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.069366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054637/publication.md
observed efcbeeae85a35a91132d9904cbc4c74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.045305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054637/publication.txt
observed 2626aaa161831d5fb6adf7b898dffd88...
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.