OpenTechnical

OT-2026-000040656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000040656) never changes.

Identity and time

Publication numberOT-2026-000040656 · never reused
Internal UUID01a0ae79-6d0e-7d27-bcf2-ab2c8bbf2285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040656
StatusPUBLIC

Content hashes

Canonical textc5e5773151953265ff3b1eef1e4861b8ef43f76dfea22ea94e9e4b62d84e1a65
Markdown42c3331dce0e201f065f102a7faa0e0b4e44e16f1b490efdca3b773525944c82
PDF
Publication page958e40fbf6705207ca2e52abce535e1ae2700b77553318ce0c74f6762fb428d4
Manifest7c54e2ffe4cfb8cc91269aad6e6948afa28e984fddb55b477bafcd065265eb91

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
SignatureQZgp2O3T0tcev2AkAZajtw2cl2+FYxKkm/ZV9FV0T5/El+VReQ9VNek2VmftAnAKRamnx3f3WrnQ1mZV5+7DBA==
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

2026-09-17T11:17:50.708065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040656
observed 958e40fbf6705207ca2e52abce535e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.688864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040656/manifest.json
observed 7c54e2ffe4cfb8cc91269aad6e6948af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.670328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040656/publication.md
observed 42c3331dce0e201f065f102a7faa0e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.651475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040656/publication.txt
observed c5e5773151953265ff3b1eef1e4861b8...
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.