OpenTechnical

OT-2026-000042114

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000042114) never changes.

Identity and time

Publication numberOT-2026-000042114 · never reused
Internal UUID01a0ae7a-5d71-76e5-9bfd-11579162d694 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042114
StatusPUBLIC

Content hashes

Canonical text0e3c07928e42a57075fb31cfba4cb9aa6e8d074898db9ea4cd5c6bfb9bb908cd
Markdown76ab20f8397a2465b0c79f0f5282fa70450fa1bd0875577a61ac581acd4c8e5e
PDF
Publication page9a23e784b1de632ac0a89dbbe8cdbce97a6d78e3d252204d5b18848f30b7e3fd
Manifestf37362f37f7d589dce112547d4df0dbc73ed4f9730ea9f38cd8a091484af7f18

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
SignatureG0O1ZILqu1CppeW9icBK1b7RT1xU9c8uH8rSHLfeD4PAi2kjepIflHguHYWKtWj7UqHTbzEHP2d0jrjRPy0ZCg==
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

2026-09-17T11:15:39.235498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042114
observed 9a23e784b1de632ac0a89dbbe8cdbce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.215810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042114/manifest.json
observed f37362f37f7d589dce112547d4df0dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.195722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042114/publication.md
observed 76ab20f8397a2465b0c79f0f5282fa70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.176051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042114/publication.txt
observed 0e3c07928e42a57075fb31cfba4cb9aa...
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.