OpenTechnical

OT-2026-000011309

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, supply line 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-2026-000011309) never changes.

Identity and time

Publication numberOT-2026-000011309 · never reused
Internal UUID01a0ae6c-5410-7cea-aa34-556097040cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011309
StatusPUBLIC

Content hashes

Canonical text94ab06fb4ee17a83c49f14c292e62359d57c48373731e32ff1083983259988e1
Markdownaaa0a39f488bd7a30d585b31cab067775350ae2bc35641dc9c5f3f53302c76f5
PDF
Publication page0bd629ef425a59a90ae964e96f55a1a1ff54a076e3a50db7105ba73b9e5cb004
Manifestf16b9b44a4fa8548b628f615d881056b58d98cd4e10e259008c363ff089a9e5c

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
SignatureI0leLoDPh+dRys5g1UD+Y+Mn28fmwBbYyiDjjJYsjL6Ui5tc0aGwuI5vE66BJEzFJxVkof1dC/eVXiNKlebgCg==
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

2026-09-17T12:14:17.352294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011309
observed 0bd629ef425a59a90ae964e96f55a1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.332912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011309/manifest.json
observed f16b9b44a4fa8548b628f615d881056b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.313715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011309/publication.md
observed aaa0a39f488bd7a30d585b31cab06777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.295247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011309/publication.txt
observed 94ab06fb4ee17a83c49f14c292e62359...
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.