OpenTechnical

OT-2026-000052750

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000052750) never changes.

Identity and time

Publication numberOT-2026-000052750 · never reused
Internal UUID01a0ae84-a42d-7a11-a646-779ed41efca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052750
StatusPUBLIC

Content hashes

Canonical textd414355755204feee221709f879463e59df9eac4102493a729dc22415810c10d
Markdown2dfcfe8c859e868eff215876b218d358766f25a58f7103f96f694864fca9d49e
PDF
Publication page935f4083bff08a39aaae7e489785a3402b1406fdbbe37b6ce132ef13043c09ae
Manifest33aa762a11bd2ffceb60d30d913b57deb898230f872850707f303d9519b61116

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
SignatureLYP8KFYWlhLjUhVmCvKUaGog/Zhs6D0ECRzzaOhvlw7EpAH9xyG/iLXgGrH8HWPxqOWIuLM9qvReaxnQBtC5BA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:45.084468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052750
observed 935f4083bff08a39aaae7e489785a340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.065955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052750/manifest.json
observed 33aa762a11bd2ffceb60d30d913b57de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.047544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052750/publication.md
observed 2dfcfe8c859e868eff215876b218d358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.027079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052750/publication.txt
observed d414355755204feee221709f879463e5...
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.