OpenTechnical

OT-2026-000057718

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000057718) never changes.

Identity and time

Publication numberOT-2026-000057718 · never reused
Internal UUID01a0ae88-2695-7347-b012-5191d1ab4025 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057718
StatusPUBLIC

Content hashes

Canonical text176f1f0a5512a81aea3aaeb2327b390a7a81724e97c3caab1c3f9beb9816a3e6
Markdown51bef5080af2341c31548153c065c8b8ba6e520c8bbef04388fd4c928abb02fd
PDF
Publication page968d10a1d3b74cc798ea12fecbc395ce356fb7cc53568168b1d205efd2d266db
Manifestd61e4e2cd33154baacad9c9f1d681d75ba19a81b3c4d46253d4a0cabb2006517

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
SignatureVMuMzRe20x+spcUdLrRtnZ7Zm4QFEJNdru6bxniw2cnv3v0BbYQDCRQRdt3CnW3ity2TBhazLtTai5ti55M2Dg==
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

2026-09-17T10:48:23.288432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057718
observed 968d10a1d3b74cc798ea12fecbc395ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.268307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057718/manifest.json
observed d61e4e2cd33154baacad9c9f1d681d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.251118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057718/publication.md
observed 51bef5080af2341c31548153c065c8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.232600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057718/publication.txt
observed 176f1f0a5512a81aea3aaeb2327b390a...
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.