OpenTechnical

OT-2026-000068807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000068807) never changes.

Identity and time

Publication numberOT-2026-000068807 · never reused
Internal UUID01a0ae90-6dcb-7d75-a451-455d18e44537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068807
StatusPUBLIC

Content hashes

Canonical texta71c24fcdcfa55f76d127b76ade3a73d291f7bc85d9ab4ca4f6dd7abe8a9b5ea
Markdown2622fe8364b71121cc542cf2aab77d03b19e6b0e04fb9f945e20b21442cd700f
PDF
Publication page84c2648b81e1c182c1bc8f23fdd08f98063c50af0dcf9897e965b53d3f930e88
Manifest43e1df62e2ad759307bccd9a4c348faa9e43e3eec573599bbe0bc81971ffae02

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
SignatureSLTrm480OGrvv0bJuhokx6lraqXt0amQQw/zmOf0dk/wI9itdShKxK/ebjtNxuP7lM3zn4FoEzd2k4YCzau+CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:36.557635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068807
observed 84c2648b81e1c182c1bc8f23fdd08f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.541009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068807/manifest.json
observed 43e1df62e2ad759307bccd9a4c348faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.524178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068807/publication.md
observed 2622fe8364b71121cc542cf2aab77d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.508766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068807/publication.txt
observed a71c24fcdcfa55f76d127b76ade3a73d...
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.