OpenTechnical

OT-2026-000015580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000015580) never changes.

Identity and time

Publication numberOT-2026-000015580 · never reused
Internal UUID01a0ae6d-ef4b-785c-9d60-b1432e10bf7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015580
StatusPUBLIC

Content hashes

Canonical text0ef59ab8c8cb89b68da0bf80039c3da7a99128c4cf05051d1596a66b78e818ba
Markdownf9606ff94b4ce678240946756abfd94cae2407ffafb1e50b32924869ca9edf98
PDF
Publication pageae31a4b90b540073bcadd30cee32b012e4d2f5d60971ce0c3901a6862dc817f7
Manifest98aaa37c6d57cd196f4eb2b0441a3f7d02bf6bb2b5c5837448f880c29b1d39f4

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
SignatureQEH47ll4CigVaBQXnEtldeufVSeC69+NHZJU7nRUhGIBgZSqiwtkbxD+sli5N76f31Q+95Xvx/H5bXBvZd5kAA==
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

2026-09-17T12:06:22.529989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015580
observed ae31a4b90b540073bcadd30cee32b012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.511526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015580/manifest.json
observed 98aaa37c6d57cd196f4eb2b0441a3f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.491064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015580/publication.md
observed f9606ff94b4ce678240946756abfd94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.471917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015580/publication.txt
observed 0ef59ab8c8cb89b68da0bf80039c3da7...
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.