OpenTechnical

OT-2026-000061714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000061714) never changes.

Identity and time

Publication numberOT-2026-000061714 · never reused
Internal UUID01a0ae8b-b8aa-7a4a-83df-2f9e19f4a571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061714
StatusPUBLIC

Content hashes

Canonical text4ce417f0d2c75bb801ead359f612f70296a7f793ba648014cb434d0f1a09f2f1
Markdownc76ea4af59f2d4a19a5b5fff8da8379d52e071396343ec598caa80e77e33ad7c
PDF
Publication page21543f56ee119e11be5363d5ddf3812d925b41619a1fcd241f61dd1ec32f36cf
Manifest4f73df20d558a0256a8757d9155f87da4384279114e718d8a65101287768cfb3

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
SignatureFFZArR8RdoFTE2IDwOM+P1BRGFHmqgnOvds9bXfbp9jXZTqfh7HJQiHEWvO0F5HQnMKFGoaGzfMbu4FC2+BIBA==
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

2026-09-17T10:40:17.386157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061714
observed 21543f56ee119e11be5363d5ddf3812d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.367129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061714/manifest.json
observed 4f73df20d558a0256a8757d9155f87da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.348864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061714/publication.md
observed c76ea4af59f2d4a19a5b5fff8da8379d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.330516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061714/publication.txt
observed 4ce417f0d2c75bb801ead359f612f702...
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.