OpenTechnical

OT-2026-000056924

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000056924) never changes.

Identity and time

Publication numberOT-2026-000056924 · never reused
Internal UUID01a0ae87-7af9-7d30-838a-ef9b34c95867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056924
StatusPUBLIC

Content hashes

Canonical text98e55cf4d514c65becb28136a8f28c9757bcabba1bf51c1459be85933a75ecdb
Markdown31174f81d4291722571cd9e5c6a6f24ebc5862d4106a4580cd7347a39da4782c
PDF
Publication paged54b0190178381155ea4ac62e301c5bf2bc4ec8377871ad6052cb29eb3de419b
Manifeste8310f8963cba777e9b706e3670943f562cad88d633404a6db3b341c74136616

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
SignatureWJP33QqrzVpCUJ4ymQLxZdIceJr8Br+AElo/U+cdAQ7+PMeBklXpwurr086Hfe40qRVBb/TXDfCpQb4Y6DR3Bw==
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

2026-09-17T10:50:28.207935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056924
observed d54b0190178381155ea4ac62e301c5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.191235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056924/manifest.json
observed e8310f8963cba777e9b706e3670943f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.172886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056924/publication.md
observed 31174f81d4291722571cd9e5c6a6f24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.155901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056924/publication.txt
observed 98e55cf4d514c65becb28136a8f28c97...
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.