OpenTechnical

OT-2026-000013234

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000013234) never changes.

Identity and time

Publication numberOT-2026-000013234 · never reused
Internal UUID01a0ae6d-6fc9-7734-b8cd-5714924cd4f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013234
StatusPUBLIC

Content hashes

Canonical textab10a7571de5906c84980e19885293513446d32e3dd46d0fd39d5425a3d241f8
Markdowndf1bf3b1b91be13c1c1b4e91414096721bafbc64b580792e16d80fcb69f5370d
PDF
Publication pagede071271c01412f3dea3c8a282e5044ae7c23c5ff4a1578515459418a2cf19b3
Manifest04dbb7852d634d6e8835024f92dc0b3b17ccd2af37446c5c8f199586e8d58fe1

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
SignatureV3txukAQmma3yQu7K1pjNfRdACRclv1/nguPeRa4R/m+TNHRe4cC1zOj8bLRudUR7UEBhYLQTvmG+Ai/TTkGCg==
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

2026-09-17T12:09:37.954652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013234
observed de071271c01412f3dea3c8a282e5044a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.937329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013234/manifest.json
observed 04dbb7852d634d6e8835024f92dc0b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.916868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013234/publication.md
observed df1bf3b1b91be13c1c1b4e9141409672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.896371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013234/publication.txt
observed ab10a7571de5906c84980e1988529351...
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.