OpenTechnical

OT-2026-000029132

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000029132) never changes.

Identity and time

Publication numberOT-2026-000029132 · never reused
Internal UUID01a0ae73-2aa0-7664-8d5e-27f5ab5a74bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029132
StatusPUBLIC

Content hashes

Canonical text9795a2d5dd125d14416e9d455ac1445e91802810fa10c8595cffa3d66ed52a66
Markdownb03820bb1d9e2f6f0ba5b5aad07d08c7f41a4bcd296addb38abba9d07ae5365d
PDF
Publication page3dc94c08ec28637ef15713dab305b2dded999934bca0ff1d62ba1f74f2f3bc20
Manifest212815da4cf7b5e5d0e567d1c3fa6fe0ae2cdc3ab473c1000e4ce33c77cf997c

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
SignatureKRo1sPJzRmvg5IsNWVnci9dOqxKJAp0dTefk5vmtmRdL0TWxfUbuN8opmsrcQOpy3Fa2mebOXX5ixSyicHglCw==
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

2026-09-17T11:39:36.967931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029132
observed 3dc94c08ec28637ef15713dab305b2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.951471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029132/manifest.json
observed 212815da4cf7b5e5d0e567d1c3fa6fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.933853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029132/publication.md
observed b03820bb1d9e2f6f0ba5b5aad07d08c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.916170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029132/publication.txt
observed 9795a2d5dd125d14416e9d455ac1445e...
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.