OpenTechnical

OT-2026-000068705

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000068705) never changes.

Identity and time

Publication numberOT-2026-000068705 · never reused
Internal UUID01a0ae90-2483-70a0-925a-6c63d484acd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068705
StatusPUBLIC

Content hashes

Canonical text239e872dff69fbdfb987a0232fb554e29a3962e68f8fbba490e2f501e7095e9e
Markdown1202f44ef76486aebb069982f4073accfedd40b04c3e4c870d54f60a2a29b4b2
PDF
Publication pagefee768b160c0739369ffe335eac9bfc50266f8efc450a243248293bf3202eb5a
Manifest53cae2d13715b3bcad6a26f06c949f1ff8eca7a88bfe734e9c980a0a9d157e61

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
SignatureaXM4fhCDEbriD0Fb6UCrVG5EVAkRzgFBZYE6W/r+19OIhaqAV4sgvT2PS9YRY1/XlYTNtGvybYKSUeWhhSQGCg==
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

2026-09-17T10:29:54.769580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068705
observed fee768b160c0739369ffe335eac9bfc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.751285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068705/manifest.json
observed 53cae2d13715b3bcad6a26f06c949f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.732987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068705/publication.md
observed 1202f44ef76486aebb069982f4073acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.713845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068705/publication.txt
observed 239e872dff69fbdfb987a0232fb554e2...
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.