OpenTechnical

OT-2026-000041105

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000041105) never changes.

Identity and time

Publication numberOT-2026-000041105 · never reused
Internal UUID01a0ae79-b142-7c9b-85ff-54585ff847bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041105
StatusPUBLIC

Content hashes

Canonical text6c2613df100dad6a636c1f8969e906a5f85330fd445b77bd32c69f3dbc176a32
Markdown838063ec916c1b842502270b3be78754ec2d5e1075a1688db79184cfb0f462b4
PDF
Publication pageb8c8997b2435c22972ed96a5c5fb332a7b259ff3415360e63bd5f31006145152
Manifest0c7c3842313541ae22bec40e2faa737ee01fd735213a3e8a3f44e48e0af16a82

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
SignaturewDzn++PLzUq9+g/fvsYZT8MmQHiuJDVWVY2pnqQhzS006sTjuE/En3F6P+dg71ToGJWV61bSP1bfgB0XW41UDQ==
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

2026-09-17T11:17:01.523906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041105
observed b8c8997b2435c22972ed96a5c5fb332a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.505221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041105/manifest.json
observed 0c7c3842313541ae22bec40e2faa737e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.486292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041105/publication.md
observed 838063ec916c1b842502270b3be78754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.467928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041105/publication.txt
observed 6c2613df100dad6a636c1f8969e906a5...
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.