OpenTechnical

OT-2026-000086150

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off 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-2026-000086150) never changes.

Identity and time

Publication numberOT-2026-000086150 · never reused
Internal UUID01a0ae99-e82c-735b-8a7f-bd6a73372c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086150
StatusPUBLIC

Content hashes

Canonical text0407ae8e162a089433b50754ab64d222b25123db7426c11b58553f5ccfedf02f
Markdowneb2810f0060e515c5cb0010eb555fb3254f2f87541686a007d4ddd9d07c174e3
PDF
Publication page73f97a527ea73d2a52cdf31af7422fff949373e072efcec287f6d3f8a1b4206d
Manifest1c30a06f53ae71ff586f4f724e67e171762ea9fb999ea5f449cf0a737d5aeefc

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
SignatureP+14TY2g2dykc/qXc0dUc4sgziJtzxkrhrp0NQNhV3fKhV+NHL6NyZEQMqdFHNz6irOyxWRRwF+KiHw70uteDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:49.095652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086150
observed 73f97a527ea73d2a52cdf31af7422fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.077664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086150/manifest.json
observed 1c30a06f53ae71ff586f4f724e67e171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.060879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086150/publication.md
observed eb2810f0060e515c5cb0010eb555fb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.040284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086150/publication.txt
observed 0407ae8e162a089433b50754ab64d222...
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.