OpenTechnical

OT-2026-000009180

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, vented 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-2026-000009180) never changes.

Identity and time

Publication numberOT-2026-000009180 · never reused
Internal UUID01a0ae6b-31b9-7538-826f-3f5588c0b89a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009180
StatusPUBLIC

Content hashes

Canonical text2dc4ce9d4dd95e0c75b9cf50645e9b6ceeaf72a0e4bce645388a493af5eda89d
Markdown9a09f88d1728aacabcc107146d984742a309a6be79ce24357a0e94463eb456e3
PDF
Publication page59c6e5940f8e2b11cb43f00c86a3b765997b4bd65fb6f86ed496bb4d5c2789b6
Manifest3675163b4b0640666e844716df64d9043cf1712ddfecfbe52a7acf3f33a3d62f

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
SignaturepugrYGFfT7xl9IcBwXI0WbEmN43uW/KVfq4AojGNLUg4UdSKvjeW6k3h5Ca+/3QknIBZCL4iXOfAstpO/GlCDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:53.451993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009180
observed 59c6e5940f8e2b11cb43f00c86a3b765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.434119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009180/manifest.json
observed 3675163b4b0640666e844716df64d904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.414148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009180/publication.md
observed 9a09f88d1728aacabcc107146d984742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.395065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009180/publication.txt
observed 2dc4ce9d4dd95e0c75b9cf50645e9b6c...
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.