OpenTechnical

OT-2026-000058041

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000058041) never changes.

Identity and time

Publication numberOT-2026-000058041 · never reused
Internal UUID01a0ae88-6eda-76df-8df2-9cde62013e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058041
StatusPUBLIC

Content hashes

Canonical text3e302a786c586cac41bb63a9c9886f2130713278dabea1e88eefd96f8d520145
Markdown13d5fe742d9c5e592dfe20750ba17ba05145e34f204f2d0b9456e955fb59f2a2
PDF
Publication pagef169bd577b3a7d7cf5902cff04633ca4c9c2ae0f0cf9d5e30d7a1e0542c6e32d
Manifest8843b33e5b5b66f36fe04f70d32d923acb5bc43921dada06667591bf84925137

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
SignatureufsjZupFz8dWEKKYogzuuDexG+NWVFFtWWQeU31QBYFQvIsfoySMU+LfGHhCpbWrvdKM/Gd95cmbH76Yyx5xCw==
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

2026-09-17T10:47:41.304115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058041
observed f169bd577b3a7d7cf5902cff04633ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.284517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058041/manifest.json
observed 8843b33e5b5b66f36fe04f70d32d923a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.265911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058041/publication.md
observed 13d5fe742d9c5e592dfe20750ba17ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.247523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058041/publication.txt
observed 3e302a786c586cac41bb63a9c9886f21...
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.