OpenTechnical

OT-2026-000004585

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, four outlet manifold, pump fed, pressure verified

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-2026-000004585) never changes.

Identity and time

Publication numberOT-2026-000004585 · never reused
Internal UUID01a0a91c-d40f-7cfa-b29f-6ea7d5bbd23e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:27:13.938517Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004585
StatusPUBLIC

Content hashes

Canonical textece014495c0ebda1216b7e34e4ed890a379e80b90cfdb7fce7f709274f072e92
Markdown19055a2cf8871bf3dcdc149e36d0346ad71add17063ae78e9930161977e101d4
PDF
Publication page66be5fd08a9405d1f757859cc93ffa2cf725d89ae416697b5e1f35a009bf52d8
Manifestf3c338c46f03309af3b8c9355c40ca12cc810c58501e685d3760c8aa6564afb4

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
SignaturePjESKeFAyyvKtExGTEcHUMVcOA9BxJ3xb9U1V+nD1S4mWi9dUSIaOwtUiMIAK4BfJiEI93wx8vHH9FNce6DQDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:12.168712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004585
observed 66be5fd08a9405d1f757859cc93ffa2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:12.156081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004585/manifest.json
observed f3c338c46f03309af3b8c9355c40ca12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:12.142872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004585/publication.md
observed 19055a2cf8871bf3dcdc149e36d0346a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:12.130090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004585/publication.txt
observed ece014495c0ebda1216b7e34e4ed890a...
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.