OpenTechnical

OT-2026-000058286

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000058286) never changes.

Identity and time

Publication numberOT-2026-000058286 · never reused
Internal UUID01a0ae88-f398-794a-9f69-4ff5eaa75985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058286
StatusPUBLIC

Content hashes

Canonical text819278d3cd8d76aeb90356519447b740c270f9dc9d074ab452157ba8640a161c
Markdown21baa4971fea12b914df97403f9ba818976a2e0c973bf7ab3e832d10ea96f852
PDF
Publication page5fb3d3c63f96ff2123e8df2b47577c03df655d711f7553322537a8bb6b883258
Manifest1c22b9d1d26bd1df63ba058c898a4681c9e43b0205d44a5d115f33c884da2b22

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
SignatureS7FIwLHXwM+4hbnVv6pcv5p9FcV/L7ivLigD3eyzR8ieBBSuu6Lo9phLEJwcwrPm3Majqkl+82DKn6oxGw+3Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:40.694123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058286
observed 5fb3d3c63f96ff2123e8df2b47577c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.676716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058286/manifest.json
observed 1c22b9d1d26bd1df63ba058c898a4681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.658371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058286/publication.md
observed 21baa4971fea12b914df97403f9ba818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.639637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058286/publication.txt
observed 819278d3cd8d76aeb90356519447b740...
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.