OpenTechnical

OT-2026-000027125

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000027125) never changes.

Identity and time

Publication numberOT-2026-000027125 · never reused
Internal UUID01a0ae72-3454-71b3-a72c-504bd32d9977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027125
StatusPUBLIC

Content hashes

Canonical text2dee24b9d8862eda557ac0b342756f9f153b75e04e47f13de594b514eababb55
Markdown243d50f33d8abd28dee8868a7d3941fcfa1f38e2d39b66a9f374c4ada6cfb048
PDF
Publication pagee5d3491975236bbf544764af63168d3f823462878fdddb5df8c40cd690ab99ea
Manifeste6b14952153054f7ff721c1c89fbfb25b7ff85127998e131ad4a02d3808b19de

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
SignaturekB+0hg1Xivlq4ARZcWry7MBuOKvPzhQz/v45jpkjJxDawsKBFquBg/hr+ri3QwR49CmyL3ijofaflBgepnADBA==
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

2026-09-17T11:43:53.971747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027125
observed e5d3491975236bbf544764af63168d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.954697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027125/manifest.json
observed e6b14952153054f7ff721c1c89fbfb25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.938339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027125/publication.md
observed 243d50f33d8abd28dee8868a7d3941fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.920399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027125/publication.txt
observed 2dee24b9d8862eda557ac0b342756f9f...
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.