OpenTechnical

OT-2026-000061598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000061598) never changes.

Identity and time

Publication numberOT-2026-000061598 · never reused
Internal UUID01a0ae8b-7b45-74b8-a8ca-67a16f368b07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061598
StatusPUBLIC

Content hashes

Canonical text708811da71543e44105710abc1beaf61e69d8e31b629cf850cc97c5a1778e72a
Markdownb19c82d9d8103255000937cc1aae5a9314aeeec9a76b87407a9cddde1aed5b23
PDF
Publication page4f98dc2e90ecb908fc20f528d5857956a0ba61d7d5e7d0ce8059293ac20a1e5b
Manifestc183bcb400f349563a50e9140038e98fa97ecc9d103274262d1eb529a1671dbf

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
SignaturepOjllU5VGFoa9ReQOU4/aItmhBZrwlakgL8VZCl/14BkvfVD+aQRGXr0uvJy4JDvDOj4JjDaBph0mUoPMCh8Cw==
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

2026-09-17T10:41:31.481346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061598
observed 4f98dc2e90ecb908fc20f528d5857956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.463799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061598/manifest.json
observed c183bcb400f349563a50e9140038e98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.446059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061598/publication.md
observed b19c82d9d8103255000937cc1aae5a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.428083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061598/publication.txt
observed 708811da71543e44105710abc1beaf61...
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.