OpenTechnical

OT-2026-000057536

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000057536) never changes.

Identity and time

Publication numberOT-2026-000057536 · never reused
Internal UUID01a0ae88-2693-77b7-a383-3f037de86697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057536
StatusPUBLIC

Content hashes

Canonical textf53cef7c9ce62035025f2aa0cce53ac348061dda423eae9ed633be0243f4cebe
Markdown2654c280547b107352d5e9a425b46d2887c5eed75cbb6735bd07dbe179440504
PDF
Publication page0206520d0bd807a0b5cbcb672224121237242e9a80e500ffe337d54c2b3fde2d
Manifest3e63e91d765ba781e2dfdf1b756ca41d6b0396bab1a168e8f5b7899a713778f2

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
Signatureor4wUWfkOLtafapE9ydlUj/7mf1dBW/4etZCNXVItTlbSGTmpOYvl1eMOP26GZejxwr1r6Gqy/EoMIny+PKxDA==
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

2026-09-17T10:48:04.418576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057536
observed 0206520d0bd807a0b5cbcb6722241212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.402648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057536/manifest.json
observed 3e63e91d765ba781e2dfdf1b756ca41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.385244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057536/publication.md
observed 2654c280547b107352d5e9a425b46d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.368669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057536/publication.txt
observed f53cef7c9ce62035025f2aa0cce53ac3...
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.