OpenTechnical

OT-2026-000034436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000034436) never changes.

Identity and time

Publication numberOT-2026-000034436 · never reused
Internal UUID01a0ae76-12eb-7d1a-99ee-1a5aeb61781d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034436
StatusPUBLIC

Content hashes

Canonical text67156e710063226f7fd2ed04d755dd3ae422fa508b162e5c51334a4f1ea55540
Markdownbb6d168e133043d7ce853867e5140467875011912901ca839e050a03b0462cef
PDF
Publication page05cdd4aa060681ae3f6f848042f56d8398c0377668a17952b07407116f94a7e6
Manifest9affb18355888d927952cf03c31da73455e61cddc870c47a6059d3cbbd1dd4f7

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
Signaturee5Ga1WKYKG123nDacGOPIqFSHKG+w25Jdd6YvhgJyQsEsP41T4BYnmTg6poF9ORiTDDLNzT7Qqg78ssh+o9iAA==
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

2026-09-17T11:30:45.556879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436
observed 05cdd4aa060681ae3f6f848042f56d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.540948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436/manifest.json
observed 9affb18355888d927952cf03c31da734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.518306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436/publication.md
observed bb6d168e133043d7ce853867e5140467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.499762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436/publication.txt
observed 67156e710063226f7fd2ed04d755dd3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.337350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436
observed 05cdd4aa060681ae3f6f848042f56d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.319920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436/manifest.json
observed 9affb18355888d927952cf03c31da734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.300611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436/publication.md
observed bb6d168e133043d7ce853867e5140467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.279089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034436/publication.txt
observed 67156e710063226f7fd2ed04d755dd3a...
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.