OpenTechnical

OT-2026-000074609

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074609) never changes.

Identity and time

Publication numberOT-2026-000074609 · never reused
Internal UUID01a0ae93-ac2a-7026-b2dd-564b95679128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074609
StatusPUBLIC

Content hashes

Canonical text12ea75c14f6f68b3bf4cf264f0a6917054917beb756314256cee4a874bccff44
Markdownbd951d57b95868ed3e201884570bd1f4f873efbc84436b6e5ed9197f14582271
PDF
Publication page5131daa082b2d41bf5b4229bc33d5a1e0785bcd11f9a8cea88bf14cc67d2c614
Manifest53e8b0423b58c2438dd400fffcb24653d2d522065373eb596a84c96197caaec4

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
Signature1w/ukG/71vbh7xGP9z1o2Rg3OyoM4m84kr8gft75ot3zRtBuPRq968/pEKA13rRS0/Hqgh6NgYieOiJaSSIRCA==
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

2026-09-17T10:18:04.507053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074609
observed 5131daa082b2d41bf5b4229bc33d5a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.488718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074609/manifest.json
observed 53e8b0423b58c2438dd400fffcb24653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.469008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074609/publication.md
observed bd951d57b95868ed3e201884570bd1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.449232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074609/publication.txt
observed 12ea75c14f6f68b3bf4cf264f0a69170...
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.