OpenTechnical

OT-2026-000027397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000027397) never changes.

Identity and time

Publication numberOT-2026-000027397 · never reused
Internal UUID01a0ae72-6997-7943-aadd-94253a0ba5c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027397
StatusPUBLIC

Content hashes

Canonical text700774ad34bbd4ade2bf92a936f9a33c66a15ed990e4c1374923be813976200d
Markdown7d79152c8a979bc6b21d195bce3c2917528ac11fe571f3582bb187d1527670d8
PDF
Publication page6ee28bf0bf11fbba1a65c924560a0a41c85fe451f1caf9733009a3f7e8a3a8e3
Manifest2afd25f7cf34a24da3fa6baa331f8d1283fd62a9b1fae7333e9cbd8b1b86ca9b

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
Signature6hS6wMCvrMJbQpk4yjuLSSTtw3KWrQxjTXuOaG/hvBKvgNsZZV8UNdGNnU+IRuMeyFAaRDUNv01PY59lRd1nCw==
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

2026-09-17T11:42:49.239701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027397
observed 6ee28bf0bf11fbba1a65c924560a0a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.220929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027397/manifest.json
observed 2afd25f7cf34a24da3fa6baa331f8d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.202308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027397/publication.md
observed 7d79152c8a979bc6b21d195bce3c2917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.183847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027397/publication.txt
observed 700774ad34bbd4ade2bf92a936f9a33c...
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.