OpenTechnical

OT-2026-000025608

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000025608) never changes.

Identity and time

Publication numberOT-2026-000025608 · never reused
Internal UUID01a0ae71-9bc9-704b-babc-b5d48a429384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025608
StatusPUBLIC

Content hashes

Canonical text910387a918f7c231237ec0418deadc4b026aaccfec41e4ac1d9e955764983a57
Markdowndc71a89aac9f0ea866eba889786b32e1fdc741b0d614f84cf18c562b33c28b2f
PDF
Publication page7f8c6b11822e714f312309645992129240fc8752b6f10599002b534846467947
Manifest20e9709221eace4bba408b4b2f77905a413dca63ff2b412517bcd35fd834b1f4

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
SignaturecJRpWIqCImW5zzC5FsYaf8kAosMr/M+/lvCtjdJs3/BIf7t2FI/KL1m55IJYrHEb9k29TR5sFprD+TwN83U4Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:47.641604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025608
observed 7f8c6b11822e714f3123096459921292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.624049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025608/manifest.json
observed 20e9709221eace4bba408b4b2f77905a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.605945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025608/publication.md
observed dc71a89aac9f0ea866eba889786b32e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.586675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025608/publication.txt
observed 910387a918f7c231237ec0418deadc4b...
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.