OpenTechnical

OT-2026-000061050

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000061050) never changes.

Identity and time

Publication numberOT-2026-000061050 · never reused
Internal UUID01a0ae8b-137d-7de7-acb3-75344b716079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061050
StatusPUBLIC

Content hashes

Canonical textc94849a53c53bea017246288eafba87598eb0968556d80244b99d44ffc4d8a09
Markdown35decdf8effde57d808ae4ce35e3ef4cc6c71c3285979113658c2f1722d37370
PDF
Publication page617100f81822f352cc0b10b8d7a803e76c7aac75984d44cb2bda7d23e6c79ff0
Manifestdd5f425c7f5ea31653139a39497c775655ca9901db2150ac9fb44da0914b3a9c

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
Signature0MkPKDlqvj+/3qELs9mNxeDutRMzNMAeBPE2mvJfgPg6PFqb//kIfuDl2BLxpiARUlS8UjObtkq9pThyHnN5Bg==
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

2026-09-17T10:42:24.267440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061050
observed 617100f81822f352cc0b10b8d7a803e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.250013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061050/manifest.json
observed dd5f425c7f5ea31653139a39497c7756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.231519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061050/publication.md
observed 35decdf8effde57d808ae4ce35e3ef4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.213450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061050/publication.txt
observed c94849a53c53bea017246288eafba875...
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.