OpenTechnical

OT-2026-000008267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000008267) never changes.

Identity and time

Publication numberOT-2026-000008267 · never reused
Internal UUID01a0ae6a-908e-76e6-b297-7e1d653f7e25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008267
StatusPUBLIC

Content hashes

Canonical texta48008a4e1a8882ec24242b996bd0f8e2978eecc2654efaf761bd9dfe5ce933b
Markdownfe8c61a0b5705f02cf60573943861c6996499b32ba04a7cbcac8aa4fd30659ff
PDF
Publication page7a4af8bff8021fb98fd68a1a12b09aebac72143d49ec83b9565a92cbd69aa0cc
Manifest833779af51c9030c59c1b904355b13135bde9e7b9234fbaeb3c022659d763f3c

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
SignaturenxpRK8rM/VsIY6BEF0MU6d/lNccc9yFq96OxeGyjiwH7YMXulSI4rkCpT4sZWMndwbWkqYOA4ydMu/zSXTF6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:42.048723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008267
observed 7a4af8bff8021fb98fd68a1a12b09aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.032743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008267/manifest.json
observed 833779af51c9030c59c1b904355b1313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.015339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008267/publication.md
observed fe8c61a0b5705f02cf60573943861c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.998265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008267/publication.txt
observed a48008a4e1a8882ec24242b996bd0f8e...
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.