OpenTechnical

OT-2026-000026700

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000026700) never changes.

Identity and time

Publication numberOT-2026-000026700 · never reused
Internal UUID01a0ae71-f4aa-7ecd-aae5-9094ec24f1ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026700
StatusPUBLIC

Content hashes

Canonical text913d1c862427a0c9107baccb5da1c9ced0ab911de69d2012a992ef0c7099342c
Markdown9c1b187ba941465816a0e426e8cc50c0a5fb411a93542f8200c525523d247851
PDF
Publication page79aaf0576aef470541e0a012af8a47143e4d59b5a11c5a1ecce3ee7ae7df6005
Manifestf9c536ccad729f2a7ff561d3fa80b25a64d1a35ccb49cf2459c29222a342ab2d

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
Signature0JPg2Vu3Mek8hOkIL/M4QItwg7PQS/IGsguBsKP2gXJI4jNGLsBrXmXZ6B1AK+R44JC3tgu6e59bj42RU513Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:47.564482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026700
observed 79aaf0576aef470541e0a012af8a4714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.547981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026700/manifest.json
observed f9c536ccad729f2a7ff561d3fa80b25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.531889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026700/publication.md
observed 9c1b187ba941465816a0e426e8cc50c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.514090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026700/publication.txt
observed 913d1c862427a0c9107baccb5da1c9ce...
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.