OpenTechnical

OT-2026-000061836

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000061836) never changes.

Identity and time

Publication numberOT-2026-000061836 · never reused
Internal UUID01a0ae8b-b8ac-710a-91c3-f280b547b9ea · 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-2026-000061836
StatusPUBLIC

Content hashes

Canonical textb0fff623ec7f848a1f8c7e6864ace84228d5d3b5b3e20e58a6aab2b30c8047d6
Markdown9efddfa7476590e529b5e9a6583f1dd2a39cab457019be09821f99f666f7e043
PDF
Publication page550ba472d940b9d07332c61ff7c48c0d890a69a9006641dec0366a0dd6ae9dd8
Manifest603fa6cfd280ee4c79bd201eec0921d2fa751ce5aa3612bf80b51fd24b421858

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
Signaturev5jAMyIfonQKpz8NFtOpB7dLF8+pWODR2SDi8AzNx1hrodWydnDi/C0IoOrq2WXEp8C6wbPUOV1hbZoUn0MzDA==
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

2026-09-17T10:40:34.711777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061836
observed 550ba472d940b9d07332c61ff7c48c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.690504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061836/manifest.json
observed 603fa6cfd280ee4c79bd201eec0921d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.669417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061836/publication.md
observed 9efddfa7476590e529b5e9a6583f1dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.647909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061836/publication.txt
observed b0fff623ec7f848a1f8c7e6864ace842...
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.