OpenTechnical

OT-2026-000071964

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000071964) never changes.

Identity and time

Publication numberOT-2026-000071964 · never reused
Internal UUID01a0ae92-47c0-7a67-b746-3eea440543ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071964
StatusPUBLIC

Content hashes

Canonical textf9d6f447475321fe85b40ad29193ea6b05763661ef0bd850d34192658ce81f3f
Markdown2c12b3e9cdbe6f96d45402f3c9120a4fc9d57eb3d96f2a4662cc5b05b2155560
PDF
Publication page5631313947f18e4398a99152daed59882645965f73db2863662d3866cf7660f3
Manifestf863b3bba3e1d9c143d00d353d781714b62a2796662cc6993f499a5743e3a4a1

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
SignaturevHJszF4jdn3O/I2UB1r17B+VlHPVIJdZlgAwQ30mDu+Z2zAtNkvuj/VUW5RDONV4gmYwpNIKARyO1Ee3KTPADA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:00.227974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071964
observed 5631313947f18e4398a99152daed5988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.210363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071964/manifest.json
observed f863b3bba3e1d9c143d00d353d781714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.192564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071964/publication.md
observed 2c12b3e9cdbe6f96d45402f3c9120a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.174421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071964/publication.txt
observed f9d6f447475321fe85b40ad29193ea6b...
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.