OpenTechnical

OT-2026-000041833

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after set-down

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-2026-000041833) never changes.

Identity and time

Publication numberOT-2026-000041833 · never reused
Internal UUID01a0ae79-e8a5-79dc-907a-6114d6b4595d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041833
StatusPUBLIC

Content hashes

Canonical text0aeb988e25d4bea52babca4d6c084eb38a05098c9c45c4adf4e9be68acddf05e
Markdown9c5bf0c234291b6b50958f021091da4e0e203cb7852a219ff2c483fdee0a4ba2
PDF
Publication pageb5ebc546e1e9100ea03a66d02786f6361932d1ea525bfd16f2dd1453fd92283a
Manifestd4fd28fb4f8719ba7bc644665376903bbd95ef8a4b4e35dbfa02248f9ff6046c

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
SignaturejN6vtFVRvI0ZgqK2VhV6KUGF4XuTffasTmodHhilHpsDS6rRyuv9DPaZ9gMWHSyza8OwTarXA7I/mlm/E14aDA==
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

2026-09-17T11:16:41.909936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041833
observed b5ebc546e1e9100ea03a66d02786f636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.891896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041833/manifest.json
observed d4fd28fb4f8719ba7bc644665376903b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.871655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041833/publication.md
observed 9c5bf0c234291b6b50958f021091da4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.854331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041833/publication.txt
observed 0aeb988e25d4bea52babca4d6c084eb3...
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.