OpenTechnical

OT-2026-000055432

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, 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-2026-000055432) never changes.

Identity and time

Publication numberOT-2026-000055432 · never reused
Internal UUID01a0ae86-a101-7ee2-936b-5f781764aec5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055432
StatusPUBLIC

Content hashes

Canonical text564c90ceefce2c683c723e7b84d73459f06ab3653bc34dcc813a22535914c79a
Markdownf98fbfadf038b2da891d6d65641deaf7a0ee968bf5da8406633e5ecab842e14b
PDF
Publication pagec4602539e31373a78dfc5578b6095e36fbf4df93bfc10a180658f6f5d956a42f
Manifest45953603f59d6fcdf02a3788200a832bfa44829bc342d4e21d3572f744a91104

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
SignatureoxnK8dwZma6dUpjXo5+jhV1+W4z6FHMPL3c/25hEbfCP4sg7dU9Zzy9j0mnNoZLzacbiSs/emleDF/gXsl0UCg==
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

2026-09-17T10:52:04.848318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055432
observed c4602539e31373a78dfc5578b6095e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.829514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055432/manifest.json
observed 45953603f59d6fcdf02a3788200a832b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.810945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055432/publication.md
observed f98fbfadf038b2da891d6d65641deaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.791935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055432/publication.txt
observed 564c90ceefce2c683c723e7b84d73459...
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.