OpenTechnical

OT-2026-000052232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052232) never changes.

Identity and time

Publication numberOT-2026-000052232 · never reused
Internal UUID01a0ae83-e790-7741-b515-3da36f4e4a40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052232
StatusPUBLIC

Content hashes

Canonical text0b53310ca60cecf9e81a5b787bdfd591e5467a61e5799f9d23e14a6c1e5ce264
Markdown765029a6607c15c48f804b6157c22196b964827b7190bdaa1c578520f475a39b
PDF
Publication pagedc68758f200b5779c997c16a26919b3bc5c6e0cde734d3e085b920aeb5864528
Manifestabaac642d64767125239bfdf079795e86b2ce484dc84445708deb019b66f8483

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
SignatureQjc61suN+6FQgNSADrv+GWNwHqrv3DRow1Ubb2jwpbBb5Pc99eK8/N0yxS3M3NI/9SMeFmaMJ/usAmTDXiY0Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:48.452279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052232
observed dc68758f200b5779c997c16a26919b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.434562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052232/manifest.json
observed abaac642d64767125239bfdf079795e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.418046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052232/publication.md
observed 765029a6607c15c48f804b6157c22196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.400707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052232/publication.txt
observed 0b53310ca60cecf9e81a5b787bdfd591...
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.