OpenTechnical

OT-2026-000027744

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000027744) never changes.

Identity and time

Publication numberOT-2026-000027744 · never reused
Internal UUID01a0ae72-699a-790d-a172-db26a1594b8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027744
StatusPUBLIC

Content hashes

Canonical text4b8ea286016c347d2bf4b31c91db09fa21330ec153c30c4573707eaa05bc9889
Markdown14b77db6fc41e57b07fee582a9b9d948e7ddc532d367ffe58b4d3d7758599d57
PDF
Publication page0c7f4ea02ba85e3fc8ffbe5b209199f4c1d339abfa6062283eac377393d3f46c
Manifest673747b87143c80c8f2f8db81a967cc6bdf138634c98e69359553fcb1345e268

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
SignatureCnZ225T5uicfolQziS0e38tXqjJluv3EQLLcaLtqfF4dCTZaHWZH6T7RdCQTlCUA95s7DNKu8dgHN5YjEjm0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:18.322186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027744
observed 0c7f4ea02ba85e3fc8ffbe5b209199f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.303038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027744/manifest.json
observed 673747b87143c80c8f2f8db81a967cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.283806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027744/publication.md
observed 14b77db6fc41e57b07fee582a9b9d948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.263866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027744/publication.txt
observed 4b8ea286016c347d2bf4b31c91db09fa...
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.