OpenTechnical

OT-2026-000061271

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000061271) never changes.

Identity and time

Publication numberOT-2026-000061271 · never reused
Internal UUID01a0ae8b-1383-7f7a-b5b9-fe5298f647be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061271
StatusPUBLIC

Content hashes

Canonical text5f6179545fa100facf5a1a90ddcad323b280151c9b81177de306d3e2063c8e5a
Markdown662ee01be12e6994c2ead18a866608e73862e121cfeb0b21ded424e37108027a
PDF
Publication page4684452418c1e4ccdecd1594cdff26e93ab37786a29d2223bc0d69a8f029f349
Manifest5127af40448b18a77fc201676c7c90f2bc39e7e8fa3d00dcc0dbe4eb6db7c8f6

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
SignatureQrKqb2a7JxKnGiaHi9tlLH14Oj6GnicKZt7aLlyjpHpDM+Svqv53AJ6fr0nyn7DKo0MQLLBRHPKhTNDQJSsWBQ==
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

2026-09-17T10:42:41.512598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061271
observed 4684452418c1e4ccdecd1594cdff26e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.493998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061271/manifest.json
observed 5127af40448b18a77fc201676c7c90f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.473749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061271/publication.md
observed 662ee01be12e6994c2ead18a866608e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.455052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061271/publication.txt
observed 5f6179545fa100facf5a1a90ddcad323...
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.