OpenTechnical

OT-2026-000051827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000051827) never changes.

Identity and time

Publication numberOT-2026-000051827 · never reused
Internal UUID01a0ae83-7c84-7ae9-b5f9-c972ebac66cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051827
StatusPUBLIC

Content hashes

Canonical textd04b9f57c77be0dd74e7aca81999c5d37f7e77b05025a146152f59973f19cd84
Markdown58eb7b3eb7192ddb8f36b418c928c9e5a6a8a3132cd91ec3f41e403d64e4c42f
PDF
Publication page8d9edf56fb634b8e6ac1d131b640d32286b805302c0b9b7536cf460fa5d68594
Manifest521851ffb894771c4a050d984a209a776442e291f7cea19c7d18fc73db4f3e92

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
SignaturetHkKbV2QMwOlHBXLcHHRy97h1Ruc+tpC9xQkX3ZXtR5OAadFJhQ5I3fvxDuBYVJ5zlD357KgWvodZ3YMQ5nzAw==
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

2026-09-17T10:58:45.041698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051827
observed 8d9edf56fb634b8e6ac1d131b640d322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.023562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051827/manifest.json
observed 521851ffb894771c4a050d984a209a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.004694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051827/publication.md
observed 58eb7b3eb7192ddb8f36b418c928c9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.986996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051827/publication.txt
observed d04b9f57c77be0dd74e7aca81999c5d3...
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.