OpenTechnical

OT-2026-000052601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000052601) never changes.

Identity and time

Publication numberOT-2026-000052601 · never reused
Internal UUID01a0ae84-573b-7f6c-9413-60b3158d61bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052601
StatusPUBLIC

Content hashes

Canonical text23ce3d0e5944e28b1aaf9cb149b862b37cae32fc102c78ea7b9b4ba207b17751
Markdown51cb3b4c1d49d4df4588a9d845ab3599348f5fe3898749dce25d834e02ef5f08
PDF
Publication page513023d9d67a9ce2f877e37686a5ef698fb1262db8f41ab931d086daaac5aeef
Manifest14ae1a047b81b06c6d7a2a43e6185e3c372f345a9ff98af55be5bdd5e62a2fa0

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
SignatureM2jSaInFs0JXLLZ6zCuiZysvJe4R8SpP+13/CER2SqrEtNIlwuQYoP0eI3p/iq6hTqYMznVxJ7etJ9cUuFXgAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:16.134865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052601
observed 513023d9d67a9ce2f877e37686a5ef69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.115790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052601/manifest.json
observed 14ae1a047b81b06c6d7a2a43e6185e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.098538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052601/publication.md
observed 51cb3b4c1d49d4df4588a9d845ab3599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.080691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052601/publication.txt
observed 23ce3d0e5944e28b1aaf9cb149b862b3...
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.