OpenTechnical

OT-2026-000056296

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000056296) never changes.

Identity and time

Publication numberOT-2026-000056296 · never reused
Internal UUID01a0ae87-4bd1-7224-92b6-2c3aa1d42675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056296
StatusPUBLIC

Content hashes

Canonical text30ac5cbcf980589365a8466dad8d2c55af12beeed50628c8a5ed410214549a3c
Markdown9bde5d4fd5f44175e7fc22fac7ba49447ac94fd4a88763f3ddf76205b2187275
PDF
Publication pageca874c946babd78aa60d2b9e8792bed571bd437ab1299e7ec4ba93f05c14e260
Manifestcdd28448948719f68105aff7e834335251abcff9135c2ca18d0af0209c97b6e8

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
SignaturepGclCpXVp98mLtZb1+Cu1rzid7YyHUaaMA9NywYtrvNJazpxRquWelF8gx0Af0O6vD/afFBtnyiQbe3Q68mxBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:47.361324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056296
observed ca874c946babd78aa60d2b9e8792bed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.343626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056296/manifest.json
observed cdd28448948719f68105aff7e8343352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.326149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056296/publication.md
observed 9bde5d4fd5f44175e7fc22fac7ba4944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.308884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056296/publication.txt
observed 30ac5cbcf980589365a8466dad8d2c55...
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.