OpenTechnical

OT-2026-000011420

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, vented after 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-2026-000011420) never changes.

Identity and time

Publication numberOT-2026-000011420 · never reused
Internal UUID01a0ae6c-88fe-7bbe-81da-3c411d888637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011420
StatusPUBLIC

Content hashes

Canonical text97fd8dfd7d58291ed521f6a82c9f809b6912b22d51f41cdf19ebac9f4c5850e1
Markdown8b9727740af18e874405dc5b1d694376eb6c6c89da34b6112754faaec79375aa
PDF
Publication page65a54238147818dc6c25f6537e3b7c56f898d368aff23ebc37fae2618b73f9e1
Manifest38e4b82b6767d0aab4d8e5b0a9d5be18586fefe2d689eff89bdbe5260923c95d

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
SignaturekBVwahWo5RHhgJfPl6WehEalwBFIVVLvaXOtSudwTSNaNVXefAP+QYY3wpq4XjZXWAVy8blP7/uZPnVxJmsIDg==
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

2026-09-17T12:13:10.465686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011420
observed 65a54238147818dc6c25f6537e3b7c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.446745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011420/manifest.json
observed 38e4b82b6767d0aab4d8e5b0a9d5be18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.427395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011420/publication.md
observed 8b9727740af18e874405dc5b1d694376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.408913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011420/publication.txt
observed 97fd8dfd7d58291ed521f6a82c9f809b...
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.