OpenTechnical

OT-2026-000080904

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000080904) never changes.

Identity and time

Publication numberOT-2026-000080904 · never reused
Internal UUID01a0ae96-b975-7299-b31c-e802e8dfe778 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080904
StatusPUBLIC

Content hashes

Canonical text4a68b44178e29aa0a5e92b089a2e179de18e02a3ec6f66d613cbca95429949f1
Markdown05690cbab19427da67c2e37a713171626fa3a2e80ee3e58d5eaee46c95525a32
PDF
Publication page20fbe92276c2082b6c190da53339b19a1746a63470b68ca2ee642bbe7e79a7ef
Manifest1a89cfbf77b03d0b6381f7158c434d8a9b00a90c4af23036227b40b68df12aec

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
SignatureVhJrTIYl798lPbvnRQvnT7bkxTSj3N56GI9rQKpKf0r26Qp0XynUPK7zDil7oOJRs95vtBuM0o1Aj+K+2oOuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:06.388926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080904
observed 20fbe92276c2082b6c190da53339b19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.372344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080904/manifest.json
observed 1a89cfbf77b03d0b6381f7158c434d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.356098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080904/publication.md
observed 05690cbab19427da67c2e37a71317162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.339471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080904/publication.txt
observed 4a68b44178e29aa0a5e92b089a2e179d...
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.