OpenTechnical

OT-2026-000033250

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000033250) never changes.

Identity and time

Publication numberOT-2026-000033250 · never reused
Internal UUID01a0ae75-4845-7d22-b7ba-9e04cc667879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033250
StatusPUBLIC

Content hashes

Canonical textce1efc739f5b67c24919213131769ab9a515c469aa47f61840a0d1da8563d3a6
Markdown575656fc5b371fe15f2d771194ca6c2ee4efbffd252824826e4c4fcffff7511f
PDF
Publication pageb18c4b25eea0ff0f17ea81f77a9a1528f391d24343e0132118ba6780e1bf1ef7
Manifest28127e8530455d0313c128bb1032026cd9e3d83a03c432cc3ff7b70a3126e842

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
Signature/uF8hJHC4V1Uqfp6goaFVAihAHLeNLEK3NVIzu91MV3UUMMS0gB/l+Bc36Vc/kaJ/V8uuDtciqJXq2ZFmN/ABA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:57.669225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033250
observed b18c4b25eea0ff0f17ea81f77a9a1528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.652867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033250/manifest.json
observed 28127e8530455d0313c128bb1032026c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.626325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033250/publication.md
observed 575656fc5b371fe15f2d771194ca6c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.604817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033250/publication.txt
observed ce1efc739f5b67c24919213131769ab9...
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.