OpenTechnical

OT-2026-000060088

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000060088) never changes.

Identity and time

Publication numberOT-2026-000060088 · never reused
Internal UUID01a0ae8a-5a71-7a29-8795-2e008f6e8df2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060088
StatusPUBLIC

Content hashes

Canonical text5ed43fdd416bd1845d231d6fc9cba73eb3fdc5687c0f9c4be092227c75329ec7
Markdown625daf365fa382b26ec4e1dff4e1cd643b26e6a6d1c2b8280b752b0e1b7c7ff8
PDF
Publication pagec0b4a4bbc91770b80c18c39ad232c3584f193bdef30a2759fb8042ca80e6f7ee
Manifest334491587ac07bc2764ec84c667e896b62d877a651604fb35459de47bf5622c5

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
SignatureZw+8DmWwEkHdfCUm/dR6ONLZ5LM1mRHs1DtBVGD920pKiiWfK+r3yvrlHEu3tMUY83Vs0B+Tsw84Fl83PL5pAA==
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

2026-09-17T10:43:43.686703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060088
observed c0b4a4bbc91770b80c18c39ad232c358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.668226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060088/manifest.json
observed 334491587ac07bc2764ec84c667e896b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.649876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060088/publication.md
observed 625daf365fa382b26ec4e1dff4e1cd64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.629535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060088/publication.txt
observed 5ed43fdd416bd1845d231d6fc9cba73e...
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.