OpenTechnical

OT-2026-000016239

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000016239) never changes.

Identity and time

Publication numberOT-2026-000016239 · never reused
Internal UUID01a0ae6e-2d11-7bb9-a2a5-e3ff34d958ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016239
StatusPUBLIC

Content hashes

Canonical text91ffcae1232707c6f6208eaa7a00c966ba101b87d9f251f7394988e5718297be
Markdown8e6dbcbbe22981a1680bb94f87cf76a7b17808016195101528e976a1bea763d8
PDF
Publication page86005fda2b5d7edf0a6cef0881b9d2bde205f5d8659ae9040a0e09c8b517fb50
Manifestcbcb9dd1bd57f1679fa16e7925190672b02c95553491f2e94f0fe55ab9fd4523

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
SignaturelMDhnj5bEDU9pyVWfLrH/aBExK59NjHKp0FQ86GW9YDnwYaaf4xZV7+TNBzIFmo3Tw+pDWr6c3DgbKsmOm2+DA==
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

2026-09-17T12:03:42.453109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016239
observed 86005fda2b5d7edf0a6cef0881b9d2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.436641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016239/manifest.json
observed cbcb9dd1bd57f1679fa16e7925190672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.420354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016239/publication.md
observed 8e6dbcbbe22981a1680bb94f87cf76a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.403585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016239/publication.txt
observed 91ffcae1232707c6f6208eaa7a00c966...
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.