OpenTechnical

OT-2026-000100338

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000100338) never changes.

Identity and time

Publication numberOT-2026-000100338 · never reused
Internal UUID01a0aea3-3054-7a72-840c-5c6ad632008f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100338
StatusPUBLIC

Content hashes

Canonical text213d894cf89f66520e39d94965d9ea4af1f2c24130908c182868dbf292de8a4b
Markdownc3a23828442d20f43161793dc6d92d5298ac7be4b92b303cf36be79db112ed9e
PDF
Publication page957ea8c47b3fe459676675788bfb3b024bb6688ea05d415753e46126f219acf9
Manifest7f3a06b458818c3aab3cf0e624859a8e16e5ff3127506ab635995a384018811d

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
Signature5BpS9TxL83HAkKKrhh/fPk0wTERNuV3P3GBnsgvZGzRBfER3DnLUGmdmadSc55MQHPp+szOOJSFhwSBqiI95Dw==
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

2026-09-17T09:30:17.060291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338
observed 957ea8c47b3fe459676675788bfb3b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.041656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338/manifest.json
observed 7f3a06b458818c3aab3cf0e624859a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.020816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338/publication.md
observed c3a23828442d20f43161793dc6d92d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.999011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338/publication.txt
observed 213d894cf89f66520e39d94965d9ea4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.492559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338
observed 957ea8c47b3fe459676675788bfb3b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.474436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338/manifest.json
observed 7f3a06b458818c3aab3cf0e624859a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.457724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338/publication.md
observed c3a23828442d20f43161793dc6d92d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.439546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100338/publication.txt
observed 213d894cf89f66520e39d94965d9ea4a...
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.