OpenTechnical

OT-2026-000063026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000063026) never changes.

Identity and time

Publication numberOT-2026-000063026 · never reused
Internal UUID01a0ae8c-94a9-73ec-b18f-3c183f1dfa19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063026
StatusPUBLIC

Content hashes

Canonical texta7beac16fde9a0a471ec936631602f7e063962fcf78123a9667057f1b4694faa
Markdown639e3352dca7bee879c09d17f138da5e7ff8d6428b28466e101030cae3c35b73
PDF
Publication page10f292a3b21de42f1b359ddd1300546b16eff2360323ccee434e94ba0a7e4f86
Manifest268933dc7b7c00e193d6651d21cec3ed7c151312cb349721cf633aea15762dff

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
SignatureigQtOU+1pSqHYDC9DycJIT28ndKhFtl8k7Wx5vUvyJ3chKHPo+WIkFGpfRhL8BjX2ryeBD5F657virhrURRyCA==
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

2026-09-17T10:40:34.702062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026
observed 10f292a3b21de42f1b359ddd1300546b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.678164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026/manifest.json
observed 268933dc7b7c00e193d6651d21cec3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.657865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026/publication.md
observed 639e3352dca7bee879c09d17f138da5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.637348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026/publication.txt
observed a7beac16fde9a0a471ec936631602f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.537431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026
observed 10f292a3b21de42f1b359ddd1300546b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.519235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026/manifest.json
observed 268933dc7b7c00e193d6651d21cec3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.501593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026/publication.md
observed 639e3352dca7bee879c09d17f138da5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.483358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063026/publication.txt
observed a7beac16fde9a0a471ec936631602f7e...
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.