OpenTechnical

OT-2026-000062600

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000062600) never changes.

Identity and time

Publication numberOT-2026-000062600 · never reused
Internal UUID01a0ae8c-0ac1-727a-8a40-0bf406c0fd27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062600
StatusPUBLIC

Content hashes

Canonical textbb717f989882f96bf2ff3f6afa0b13563f278614d6b37621dc9ac992b897491c
Markdowna08ff129d101e12e224b4e62d41c08f965941aa038669a6a6797fefa8d7446f1
PDF
Publication page3cb2c202968b888f22bb15b4cfe111a7685522ff413a9f271ea49771aaee07cd
Manifest817ba8d55e5a17358f0fe1b109c31f2592de4e109fa58769b49cd1ac9bd1b3bf

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
SignaturebHFdDxcyEd6rt1AkzOH/YzBHJEqbxVoDYXQOIvSK7IeVYR7wBNO+bexO19sjyUUEax5S5xFmon1W4Z8wj0LSDA==
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

2026-09-17T16:42:55.177175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600
observed 3cb2c202968b888f22bb15b4cfe111a7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:54.825744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600/manifest.json
observed 817ba8d55e5a17358f0fe1b109c31f25...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:54.557734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600/publication.md
observed a08ff129d101e12e224b4e62d41c08f9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:54.244814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600/publication.txt
observed bb717f989882f96bf2ff3f6afa0b1356...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.953808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600
observed 3cb2c202968b888f22bb15b4cfe111a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.929831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600/manifest.json
observed 817ba8d55e5a17358f0fe1b109c31f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.906790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600/publication.md
observed a08ff129d101e12e224b4e62d41c08f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.884013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062600/publication.txt
observed bb717f989882f96bf2ff3f6afa0b1356...
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.