OpenTechnical

OT-2026-000052004

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000052004) never changes.

Identity and time

Publication numberOT-2026-000052004 · never reused
Internal UUID01a0ae83-e78e-79e5-aa22-80635d0a7840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052004
StatusPUBLIC

Content hashes

Canonical textb9baab4255bd27b24e032bef648cb39659ea5bbba3e1ddd9da1337c369608c9d
Markdown6af72b0f0e70c35f6b51435e7085e1375d402d7cedb533679280cf7a7fa12ab1
PDF
Publication page2087ac6932511ce4f3984150f815b7f7bb3ce4929491c328192aa9c4dd276c3c
Manifest7fe06ae478993dbc1bcb0c0de3411d830e49827957659784f73a06724e4a6a8e

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
SignatureqG0DmqU20aLt0zPVM8QYhduD3wfXLw4FCi/Gpc5yK9jwUTWQXg2vorgq/sVk2Aj2aMgnukPZckl3DxpE8Z9KCQ==
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

2026-09-17T10:57:30.672303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052004
observed 2087ac6932511ce4f3984150f815b7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.655242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052004/manifest.json
observed 7fe06ae478993dbc1bcb0c0de3411d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.638800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052004/publication.md
observed 6af72b0f0e70c35f6b51435e7085e137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.620393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052004/publication.txt
observed b9baab4255bd27b24e032bef648cb396...
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.