OpenTechnical

OT-2026-000071840

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented before set-down

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-2026-000071840) never changes.

Identity and time

Publication numberOT-2026-000071840 · never reused
Internal UUID01a0ae92-1e92-7fb4-873d-90cd017a1eb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071840
StatusPUBLIC

Content hashes

Canonical textbf61d9609e0aac645dc4976a4ddef89b008d00ac2d8d3e14a712136f00bf57a0
Markdown615d8bf15eb4a873a65cc1f0ecbf60665fc808ec13fb3a9eeb91d770c4435a25
PDF
Publication pageae70831bd8171fd38da6e4c8f857cefb6b7e38ec56d6bb2bbfa63820ea1d1d18
Manifest70ac3b280db830e846306ccaa9e5db7f9d063beef8752784e3615c050d0fdc59

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
SignatureSONmYzgD2OnWkalUe4bOiNl848mF1pqfdjeet1caIjxmkDCZc+MH09Obd4iTzgy2fqRvCI5ONdQHfzApXZqJDg==
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

2026-09-17T10:24:01.081495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071840
observed ae70831bd8171fd38da6e4c8f857cefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.063779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071840/manifest.json
observed 70ac3b280db830e846306ccaa9e5db7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.047041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071840/publication.md
observed 615d8bf15eb4a873a65cc1f0ecbf6066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.029634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071840/publication.txt
observed bf61d9609e0aac645dc4976a4ddef89b...
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.