OpenTechnical

OT-2026-000013473

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000013473) never changes.

Identity and time

Publication numberOT-2026-000013473 · never reused
Internal UUID01a0ae6d-6fca-719a-a0e6-f3f6908e0b9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013473
StatusPUBLIC

Content hashes

Canonical text09117e715c2e4ea10de0b9f392d8443aea151565cb26ef53a5ab691134ca559a
Markdown0fef7c361d7322f393645d3d3d1fc81006e732c488d022f5c04a5f836fd526e6
PDF
Publication page7510596dfeb06b764f337d32c5ea09d42322f4b06dc434752ce6fe33612ded5f
Manifest1a7b0bc0599bf02896021a6e9f288034cd2709653d583263d877f230f66b9b8b

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
Signaturew5nOnYz+VJj1EwiLLQPwnaR2pdpjuvUhycG4QSPPRaX/m7eNZNCRaJrsvg74bYU2XcdgRP89/itwTigzvkloAg==
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

2026-09-17T12:09:58.409006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013473
observed 7510596dfeb06b764f337d32c5ea09d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.390155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013473/manifest.json
observed 1a7b0bc0599bf02896021a6e9f288034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.371532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013473/publication.md
observed 0fef7c361d7322f393645d3d3d1fc810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.352774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013473/publication.txt
observed 09117e715c2e4ea10de0b9f392d8443a...
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.