OpenTechnical

OT-2026-000063803

Publication integrity record

Two cup vacuum gripper, two zone face, single 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-2026-000063803) never changes.

Identity and time

Publication numberOT-2026-000063803 · never reused
Internal UUID01a0ae8c-f947-77cf-9cfa-0a3188d483d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063803
StatusPUBLIC

Content hashes

Canonical text007177bcb99f204d2a58af2ab03c2b46d0ef9fe4664120fd719800de252803db
Markdown4f1559a57b6c334c24c11afc9695c8741d2a5749faf5bb8b7dd3c0f9fb0b9f7a
PDF
Publication page4635d671d4b8d2394e700facaa5d13a1dceb3ee2fb1118f48880c92ee0d0e9fa
Manifest2c5f82210b57e483a1fa4e0d8040e5ad077817f598592b65ba9d4b9b61db62c5

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
SignatureG31LK/J6HudIGZhmcwT9NJGdhxL3MxchV/+Xiw6nAK9lEihJagHhAb9o+oCccAZpZq/OYV0Xe/o7TvtUEbAPCQ==
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

2026-09-17T10:40:06.320282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803
observed 4635d671d4b8d2394e700facaa5d13a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.300070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803/manifest.json
observed 2c5f82210b57e483a1fa4e0d8040e5ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.278847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803/publication.md
observed 4f1559a57b6c334c24c11afc9695c874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.259065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803/publication.txt
observed 007177bcb99f204d2a58af2ab03c2b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:29.169260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803
observed 4635d671d4b8d2394e700facaa5d13a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:29.151382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803/manifest.json
observed 2c5f82210b57e483a1fa4e0d8040e5ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:29.133114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803/publication.md
observed 4f1559a57b6c334c24c11afc9695c874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:29.116523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063803/publication.txt
observed 007177bcb99f204d2a58af2ab03c2b46...
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.