OpenTechnical

OT-2026-000061268

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000061268) never changes.

Identity and time

Publication numberOT-2026-000061268 · never reused
Internal UUID01a0ae8b-1382-7149-bd54-fdaf346ba98c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061268
StatusPUBLIC

Content hashes

Canonical text1e85ac99c743205df59aa9e9172aef5416ab4538875863409417c1f53d0774f1
Markdown72f77ca0e17e42648fcc0730457632dad0565670da3c6e79e856d05837e75f2a
PDF
Publication paged3331fe1e6dc78aec60bce8eacb5ad69b28fb4dbd3fe373497b19f229530d3aa
Manifest897003b866a47c667a284ea082912b5578bec5c45d9404d8911c1ff3951703cf

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
SignatureRX0Ey1YRPBuvMC1UW/ypruqtWhlmb2AU4VxXNL9StN5YRUgvqCPQMy5hKOpWVVOpRcHjukgJCWho/9mufZrrAA==
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...

Independent retrieval

2026-09-17T10:42:41.284202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061268
observed d3331fe1e6dc78aec60bce8eacb5ad69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.265016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061268/manifest.json
observed 897003b866a47c667a284ea082912b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.246142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061268/publication.md
observed 72f77ca0e17e42648fcc0730457632da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.226537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061268/publication.txt
observed 1e85ac99c743205df59aa9e9172aef54...
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.