OpenTechnical

OT-2026-000027768

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000027768) never changes.

Identity and time

Publication numberOT-2026-000027768 · never reused
Internal UUID01a0ae72-a4a4-7898-a647-ebd8a38b0a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027768
StatusPUBLIC

Content hashes

Canonical textc3396df9fe7bcfba7f0bafad06785c02e01dcf6da06d5e2f9e4dfc95f0fe48b5
Markdown52f358070d0ff138136d09919a1ac4c63ccdb6ad687e06f911322f428f892a33
PDF
Publication pagee88c69fb02ae9a259efc64b16d9be21ba58374441f78a2a2f9c529f143ce1748
Manifestaa875d6eb931da578e9e9c4b684c92b531db1117dccaa61a9309f20ab8de7432

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
Signature8+7HprLGnpbeFOdKzKlIMK3lvW/Ga40/F0hNAp+Q8g7y7PVJrBrQgpgXGL28OY2jj3RGeApISlk7EbKM+3BSBw==
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

2026-09-17T11:41:48.662198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027768
observed e88c69fb02ae9a259efc64b16d9be21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.644755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027768/manifest.json
observed aa875d6eb931da578e9e9c4b684c92b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.626003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027768/publication.md
observed 52f358070d0ff138136d09919a1ac4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.606993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027768/publication.txt
observed c3396df9fe7bcfba7f0bafad06785c02...
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.