OpenTechnical

OT-2026-000100856

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100856) never changes.

Identity and time

Publication numberOT-2026-000100856 · never reused
Internal UUID01a0aea3-66f5-76a9-88fe-99f426acc0a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100856
StatusPUBLIC

Content hashes

Canonical textab1ba51cea72762bc48a1396ab3e0966aebeac099d05cdcf9d8ed24f37f1ad49
Markdownf12b0c31e806e29356f7df17af64894f327893f2e4064eed4e01a13159d1fb98
PDF
Publication page0ed8d069b7aa11fddac0349722ab914c849926229e24bf8246ad1a8fd99c2aa9
Manifestd5b6728846937ac94d09812d6fcd8509f10e1ac3fd512bb643ed803a5d65cce3

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
SignatureSmCTAT5zzoI+sIP9+Aokmp//MZFOoX/3pdoa9OIpg7gnlq0QOFRoUdJcjfMvrssk4PgGY0ThQeXdd7dO1I1VAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:47.174545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100856
observed 0ed8d069b7aa11fddac0349722ab914c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.156762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100856/manifest.json
observed d5b6728846937ac94d09812d6fcd8509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.137891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100856/publication.md
observed f12b0c31e806e29356f7df17af64894f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.117709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100856/publication.txt
observed ab1ba51cea72762bc48a1396ab3e0966...
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.