OpenTechnical

OT-2026-000012238

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000012238) never changes.

Identity and time

Publication numberOT-2026-000012238 · never reused
Internal UUID01a0ae6d-39f5-7569-aecb-7848e12daadd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012238
StatusPUBLIC

Content hashes

Canonical textd3694760a18f74d7c9df6502a69eb56677ba9a25f04f3d011d8985665a409c95
Markdowne92eee3aad186ede9029ae123838e347339f83cebe0265275f8087e4d8a97174
PDF
Publication page8306f842828d7abb08e779a8fbe842f0bd522aa9cdfb0437c86deb81522a6fd9
Manifestf04209aa0b7a6f5e3323f4f12f36c09ddf3597fba216051983702a8bad7bda09

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
SignaturehKn6wwHRcW4JtAg3OzbrlU+C64iFkZtBNiJkk1MTvzbjrdagaPzZqcxeu9pLsl2m/1N/4xeUfufDVq9vuyBXAg==
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

2026-09-17T12:11:09.855123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012238
observed 8306f842828d7abb08e779a8fbe842f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.835391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012238/manifest.json
observed f04209aa0b7a6f5e3323f4f12f36c09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.813733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012238/publication.md
observed e92eee3aad186ede9029ae123838e347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.794741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012238/publication.txt
observed d3694760a18f74d7c9df6502a69eb566...
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.