OpenTechnical

OT-2026-000060105

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000060105) never changes.

Identity and time

Publication numberOT-2026-000060105 · never reused
Internal UUID01a0ae8a-5a71-7276-a74d-7acb1931ec33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060105
StatusPUBLIC

Content hashes

Canonical text4c9aa615b636bf78e971ff26e46e031fb800bad0b515d461c767ec06c30787d2
Markdown2b49da85bdd5fbd54e594ad423239e7dcaba79a2d3a0c4a0206ccb6cdec1cf63
PDF
Publication pagef920175e7955c41ca4a5c19326fa55c1e28dbc1106eda04c8bb02077e7e49be0
Manifest35bbbd329fbabb4d347ccbd14ff3cf4689b2ac1239827f8b7996966e22b03d15

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
SignatureIhbfX7UDTpau7Ney/gT41doqsWvOyktgBVuEjfI8w8fZvVU2SDSn6zYLCPxu++Bcu4s6wcMfnPEAnTUUcnukDA==
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

2026-09-17T10:43:44.979453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060105
observed f920175e7955c41ca4a5c19326fa55c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:44.963849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060105/manifest.json
observed 35bbbd329fbabb4d347ccbd14ff3cf46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:44.947609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060105/publication.md
observed 2b49da85bdd5fbd54e594ad423239e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:44.931252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060105/publication.txt
observed 4c9aa615b636bf78e971ff26e46e031f...
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.