OpenTechnical

OT-2026-000031113

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000031113) never changes.

Identity and time

Publication numberOT-2026-000031113 · never reused
Internal UUID01a0ae74-87aa-75d3-a0ef-9f7114c5495f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031113
StatusPUBLIC

Content hashes

Canonical text64df190f3e4e857054faa0adb339a702bf12fd2c0d384b698efe47528a74df82
Markdownca2f552c03d3ad852f05795636dafc6a0523bc073054e4b2f7c91575efa5c3b0
PDF
Publication pagec5779c819c62a0ea5a07f17d04f299f3989c5bd060c7292c89d2a6ba9c810ba2
Manifestcb3ba99ee031b1d4e853164bb10f769ec941663dc416c371f4f9863d26498a10

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
Signatureyl0szzliMJc3Pk+2A2UMFKJqKudoJszOIFsc6rA/GAnDNfJtxg+jKqz+9zmUrOgVfZHeSwsB1v0lXATPcf1hBQ==
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

2026-09-17T11:35:32.760004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031113
observed c5779c819c62a0ea5a07f17d04f299f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.742044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031113/manifest.json
observed cb3ba99ee031b1d4e853164bb10f769e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.723726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031113/publication.md
observed ca2f552c03d3ad852f05795636dafc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.706665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031113/publication.txt
observed 64df190f3e4e857054faa0adb339a702...
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.