OpenTechnical

OT-2026-000027617

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000027617) never changes.

Identity and time

Publication numberOT-2026-000027617 · never reused
Internal UUID01a0ae72-6999-7657-9d70-82bc3c021e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027617
StatusPUBLIC

Content hashes

Canonical text1a46431c34a40029a22e5f05919e1a7eb32f48c4620278b65be6eed62e97c10d
Markdown749e16826630ea59f4266e07ab49f4298b6559c8b7bef339033a56273e6792f7
PDF
Publication page8740a1fdc4d4ca598b45ad9cc1d6335aae7da22002911dff177930bd3dddd9ca
Manifestdf58f19dbe2386592ba73c428a68c19b62b19a69d2d18aec26084ba3ff94eedb

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
SignatureHOp/ic2ncijA12LHRpZa3jsZfIRbXFHVUYhHUq6c5lW8HEwDTnCDuPzMWGhr7TlRctevHrbAyusIyDIthMbDCw==
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

2026-09-17T11:43:08.237386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027617
observed 8740a1fdc4d4ca598b45ad9cc1d6335a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.218160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027617/manifest.json
observed df58f19dbe2386592ba73c428a68c19b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.201143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027617/publication.md
observed 749e16826630ea59f4266e07ab49f429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.180868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027617/publication.txt
observed 1a46431c34a40029a22e5f05919e1a7e...
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.