OpenTechnical

OT-2026-000031962

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000031962) never changes.

Identity and time

Publication numberOT-2026-000031962 · never reused
Internal UUID01a0ae74-bad2-7fe8-92d3-7c3a36a4b785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031962
StatusPUBLIC

Content hashes

Canonical textde0d562270789381294ba3cf6ae32b3b4cd466b23ff6e863fe1f95c8db8333cd
Markdownd89ed9847c32cc14e9116edffec72cf9e5d614806790d8a14e6a6d988ea46444
PDF
Publication page6e3159ee85855c855459189fc0a2c3787bec79f827d1c331f8c644345991a872
Manifest544bcafafa81cdc6c54a2d1978b755765b88bf6018454597ecb65ffa263f55e7

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
SignatureZYaBJlI1kDsQA3/7tS1od53AvDKrk1ijFGzfbGvHKoyXoIhRoa752+R/7rUCF3cH+b41slI80SlS2i8u1W9ICg==
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

2026-09-17T11:35:15.230201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031962
observed 6e3159ee85855c855459189fc0a2c378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.212784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031962/manifest.json
observed 544bcafafa81cdc6c54a2d1978b75576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.192699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031962/publication.md
observed d89ed9847c32cc14e9116edffec72cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.173410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031962/publication.txt
observed de0d562270789381294ba3cf6ae32b3b...
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.