OpenTechnical

OT-2026-000057500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000057500) never changes.

Identity and time

Publication numberOT-2026-000057500 · never reused
Internal UUID01a0ae88-2692-72fc-9c0f-1dd433e6a2de · 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-2026-000057500
StatusPUBLIC

Content hashes

Canonical text1f03625487256999cb111cdc24f947fab225d15b6fe4833cd6eb339d2ed2dd50
Markdown249c7bacc5f202fa25ad3a4998794cc19217509609a2c474219b74c965453860
PDF
Publication paged18b8bf52b2903895706e994ede9f48d332c46a524690e2323d1715123fe2046
Manifest191488d3ac6c8926f2771fa94e19ad40c6e25eed62588dffe87a8e59cc556ecf

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
SignaturedMcmTDJkt9LhXkDDRN8shKDWzkMvrtgoITZM92hMQ8S+P0VOUM2/xD91RCzmAzEhPR7sKJqFWSuoNwVd46giDA==
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

2026-09-17T10:48:01.650108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057500
observed d18b8bf52b2903895706e994ede9f48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.630850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057500/manifest.json
observed 191488d3ac6c8926f2771fa94e19ad40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.611585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057500/publication.md
observed 249c7bacc5f202fa25ad3a4998794cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.593290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057500/publication.txt
observed 1f03625487256999cb111cdc24f947fa...
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.