OpenTechnical

OT-2026-000060746

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000060746) never changes.

Identity and time

Publication numberOT-2026-000060746 · never reused
Internal UUID01a0ae8a-b7ce-79d4-a898-4c20530ee22b · 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-2026-000060746
StatusPUBLIC

Content hashes

Canonical textccb867924103c23bb9e1ec3112f00ee0e8f2999858aec311a7c12d34c751486b
Markdownf0da259a19b3a467115cc7967b54eb4c26d14586db6f60b1960b35a98341c368
PDF
Publication paged8708682ec0cd29c4e730c1e5bdfb136d12db3e6f0fec9aba32ff6a99f002e9f
Manifest49fa375266c492ff9d213baff1857365f8edcbf2ea8ef304128ac7b277456637

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
Signaturew1F9rET3dBw12bBjjD0wgOQCx3WwyS6orKO4gn0USCYC1cJmFwyISvHr32qiW+JctPH2DgfgAzGIiBnABht0CQ==
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

2026-09-17T10:43:28.906782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060746
observed d8708682ec0cd29c4e730c1e5bdfb136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.888982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060746/manifest.json
observed 49fa375266c492ff9d213baff1857365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.872438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060746/publication.md
observed f0da259a19b3a467115cc7967b54eb4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.855092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060746/publication.txt
observed ccb867924103c23bb9e1ec3112f00ee0...
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.