OpenTechnical

OT-2026-000042650

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000042650) never changes.

Identity and time

Publication numberOT-2026-000042650 · never reused
Internal UUID01a0ae7a-c0ce-728e-8fd6-70a60c8f1ab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042650
StatusPUBLIC

Content hashes

Canonical textc82ed50152e963b3f639abee7f11daeb96e56ab834cb7ead5e609a09e6dd5ada
Markdown4b6063485d09cbad457439272f3158659c5483164b9726bc5608e0b4a07283d1
PDF
Publication page5a1de7763d57f166a0668af00e1a70b919cd682b9b0bbadf5af0093d7833b177
Manifest1b089d55e148970ceb4aa40bea736fdca98f169c143411581180074e1fa5ae7f

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
SignatureIwq83A1Jq/1nXfUO/FscrRNY60gLvfDrICfCWxmubmIx4WMDIf97nBbGfdFsNSdTxoiolYAl0CFdqhMSyQkTCg==
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

2026-09-17T11:14:23.410834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042650
observed 5a1de7763d57f166a0668af00e1a70b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.391134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042650/manifest.json
observed 1b089d55e148970ceb4aa40bea736fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.370077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042650/publication.md
observed 4b6063485d09cbad457439272f315865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.351514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042650/publication.txt
observed c82ed50152e963b3f639abee7f11daeb...
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.