OpenTechnical

OT-2026-000061588

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000061588) never changes.

Identity and time

Publication numberOT-2026-000061588 · never reused
Internal UUID01a0ae8b-7b45-7313-b18c-2ee31140d8a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061588
StatusPUBLIC

Content hashes

Canonical texta5237be2653e37d691b0fc48011a40b0ee4d126740ebaedd8d36dfd646864a9f
Markdown91d2d342c08053210d815e77b380e6bfdbfa7d696fbc26b7d587be3d11abbffc
PDF
Publication pagef5ba3ade2013aa175931a3675a72d232dec898b72c020a7b7871ad44846d290c
Manifest21ff8e9fe7d4056a8ec4ce7d01c14043b03e0c0fdb1f7894c10ad0d29ea48a90

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
SignaturerdC6Flmm2gtD8M3FtL6Jp8Vs/hEPEgnYTXnxNCGjQkf46XoLLgvAJnpaxaQ72+gXlBuuk/Sz/tq4qcbcEDqQBw==
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...

Independent retrieval

2026-09-17T10:41:30.632450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061588
observed f5ba3ade2013aa175931a3675a72d232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.611797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061588/manifest.json
observed 21ff8e9fe7d4056a8ec4ce7d01c14043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.588763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061588/publication.md
observed 91d2d342c08053210d815e77b380e6bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.569755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061588/publication.txt
observed a5237be2653e37d691b0fc48011a40b0...
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.