OpenTechnical

OT-2026-000055146

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000055146) never changes.

Identity and time

Publication numberOT-2026-000055146 · never reused
Internal UUID01a0ae86-5e82-7aca-bbc0-24df2d30fe6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055146
StatusPUBLIC

Content hashes

Canonical textb0dd065f34739e2714e7937d6cd101302fada766150ecc641da3071b32edaa3c
Markdown6ea351db59fb84713833b0a5d1dbadebc1038cb0d799fb84d6130382aa4e486d
PDF
Publication pagec279a9ddee32038e4db73f68c7f6e0471038b79a26f8688f27109c0667dea042
Manifest02b09be32b6937807a410625ac9a5288cd29ae21842d61d5b6b10d7d5b96e149

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
SignatureHGYV3nJgZUStVWhKSC9/p9OdxgEhXhOs+j0XwX89pzSOPh1oNnv80zKxW1FEIVBMVhysQMvDea4bB1VLGqn/Dw==
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

2026-09-17T10:53:19.472540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055146
observed c279a9ddee32038e4db73f68c7f6e047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.454105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055146/manifest.json
observed 02b09be32b6937807a410625ac9a5288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.435260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055146/publication.md
observed 6ea351db59fb84713833b0a5d1dbadeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.416171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055146/publication.txt
observed b0dd065f34739e2714e7937d6cd10130...
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.