OpenTechnical

OT-2026-000052607

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000052607) never changes.

Identity and time

Publication numberOT-2026-000052607 · never reused
Internal UUID01a0ae84-573b-7e40-88ba-050b160c7d4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052607
StatusPUBLIC

Content hashes

Canonical text1d3a86aee4aaa69438c6634fa14013691a9894d508c09f77990cf1a217706956
Markdown79b8d7f2329288c05394d7577eff2044c8730345e55071afe7eaa116836f3785
PDF
Publication page8f86292e060f5937bfe1fcb4d5012529827f38c8bcdd8bcc4d1422660a50623b
Manifest89aa8882b0b8566a14af3044743af896fcbeda45ecb9b63e64670736610b8920

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
SignatureAMzmfJLu6rRPjLh+zH6seNceLQxNRqC+JXj6SEDF1AOlMpcliM+8E1u7sQeTJyh9rLlap51ZNxD6j+pG0vjcBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:16.577550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052607
observed 8f86292e060f5937bfe1fcb4d5012529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.559230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052607/manifest.json
observed 89aa8882b0b8566a14af3044743af896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.541837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052607/publication.md
observed 79b8d7f2329288c05394d7577eff2044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.523701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052607/publication.txt
observed 1d3a86aee4aaa69438c6634fa1401369...
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.