OpenTechnical

OT-2026-000087002

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained 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-2026-000087002) never changes.

Identity and time

Publication numberOT-2026-000087002 · never reused
Internal UUID01a0ae9a-9f2c-772a-99b6-bf3b643301d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087002
StatusPUBLIC

Content hashes

Canonical text32f8f41737aded902abc179646b2d8f292b762eb3a0e548bf6c7738d5fad67e0
Markdown7f0a6c897c0d456e3cc4c2c55fbf10af1438254187d7462db67ee3aa34e05d97
PDF
Publication page23661e35fd56b375121eb618ab0a0f9d73e7181f940b0f5caab06e4a349d9638
Manifest9a4af7db09f1762689b7cd4af84f550f3eb40de3bc7ce87e31e9a42c92e2cf3e

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
SignatureBVPQUp+xe647gbgalSyhbSTnpMnSgcA9lHeqzSWrJL1NgDz5o7WQ/V3guN/gd36WDmc350QsVQdgksdKFYeiCA==
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

2026-09-17T09:51:13.207906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087002
observed 23661e35fd56b375121eb618ab0a0f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.191758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087002/manifest.json
observed 9a4af7db09f1762689b7cd4af84f550f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.175741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087002/publication.md
observed 7f0a6c897c0d456e3cc4c2c55fbf10af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.158813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087002/publication.txt
observed 32f8f41737aded902abc179646b2d8f2...
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.