OpenTechnical

OT-2026-000060728

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000060728) never changes.

Identity and time

Publication numberOT-2026-000060728 · never reused
Internal UUID01a0ae8a-b7ce-7160-a7eb-7c197b5c0d5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060728
StatusPUBLIC

Content hashes

Canonical text6064c0807bc0a94bdb9ba1e43efa1b1ef6534a0840afa5669df9ea423acfe1fc
Markdownf4ac539f10314d3f6b7b7554db13625de99c1a65d18fc4fdbac8b86e18fbe957
PDF
Publication pagecf972c9e8b9e384cca95d78a60930e71e48ccf0356732715a12edd94977bf4aa
Manifest1d11dce5e8018b8ef132f47ee848e79b20bedf8ea312692ad6812c8dbf265ec0

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
Signature5889fKWDV9g/VxtcHF/ntGDtMd8QONPKYooREIWomUq4YkH8qeculXwaYhS5XiZYOzyjBX47wtBrmsBzo42lBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:27.623076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060728
observed cf972c9e8b9e384cca95d78a60930e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.607096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060728/manifest.json
observed 1d11dce5e8018b8ef132f47ee848e79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.589679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060728/publication.md
observed f4ac539f10314d3f6b7b7554db13625d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.571024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060728/publication.txt
observed 6064c0807bc0a94bdb9ba1e43efa1b1e...
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.