OpenTechnical

OT-2026-000061416

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000061416) never changes.

Identity and time

Publication numberOT-2026-000061416 · never reused
Internal UUID01a0ae8b-7b42-732c-94af-a29cc4670537 · 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-2026-000061416
StatusPUBLIC

Content hashes

Canonical text5abb867a2008034af9448d8b5ffe39b842bb7008ad1e16949e557d5374cda551
Markdown1c3312966748f5cf73c4fb8fbb905d7b83a82bc5a2e844a4462ef24471926749
PDF
Publication pagefc673bfebd029897de340247496e94031d6ae001c6171807fcfa36c4557ea703
Manifest27718dc28bd64c8a02cb80ef4fe134de76e518f2ac743127aabf174ebb4314dd

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
SignatureoTSRVFlPflw41Z363x3Z1PfcnPGqjl+kgvE0gQHKjlS5VscNmmYwaWStPaTV9y3mXyT9fyq+onM4vJeaWi3LAw==
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

2026-09-17T10:41:17.249408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061416
observed fc673bfebd029897de340247496e9403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.232097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061416/manifest.json
observed 27718dc28bd64c8a02cb80ef4fe134de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.214995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061416/publication.md
observed 1c3312966748f5cf73c4fb8fbb905d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.196099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061416/publication.txt
observed 5abb867a2008034af9448d8b5ffe39b8...
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.