OpenTechnical

OT-2026-000062242

Publication integrity record

Foam pad vacuum gripper, 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-2026-000062242) never changes.

Identity and time

Publication numberOT-2026-000062242 · never reused
Internal UUID01a0ae8c-0abd-7527-a6a7-2262ee7bb3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062242
StatusPUBLIC

Content hashes

Canonical text2023c00562d3cb10c1ffb1acdd7488d35321292df6d308d091133c6d17474a91
Markdown856c89f8fc0f3d2efde0ec1839a21fa155b540f02811b32f1ea9df76fdddb3bb
PDF
Publication page957401cac0e90b3e76ba17dd4b9435c917a9169ee9e8b3693b079c0e09c1732f
Manifest58929078631117d8c7b8495067b920e4d704eca73bb0b350c073ca64914b5c16

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
Signaturez8PFMEqQTVjae2BfSv9LJrbj2KyDLLYTtErTIYZCba7E2KEG4KVeuyIq1cJ9wVYRtmenW3ZoSDOO/gJ2Bwx4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:31.150610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062242
observed 957401cac0e90b3e76ba17dd4b9435c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.133230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062242/manifest.json
observed 58929078631117d8c7b8495067b920e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.115330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062242/publication.md
observed 856c89f8fc0f3d2efde0ec1839a21fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.097595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062242/publication.txt
observed 2023c00562d3cb10c1ffb1acdd7488d3...
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.