OpenTechnical

OT-2026-000081574

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented after set-down

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-2026-000081574) never changes.

Identity and time

Publication numberOT-2026-000081574 · never reused
Internal UUID01a0ae97-0f71-7187-aa4d-e31af590cb23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081574
StatusPUBLIC

Content hashes

Canonical text3d5dc7271a6dba1461bb46f23434a2721c41e6771741a3d0a2b1e5905d99b0cd
Markdown3fa0980d2ffecbede02b448945d64923ee162a5a1bf35657921a7825dbfcac55
PDF
Publication pagef67e86c136148dfcf593d5f773e699e476f413e4a9ff8f4edea0c86e415f25b0
Manifestcfded0555b37ece9f08c579b9846327232153b29e1565f89889ae0b1f0a7154c

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
SignatureqT3UoJ8nVeylCvpmAUuaEaogKHoj2jD2BIuc7qB8zWZl+93G7BTdrqsX+nxpgCRWZ71V2K3ckBDMIARI99m8CA==
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

2026-09-17T16:42:23.275210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574
observed f67e86c136148dfcf593d5f773e699e4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:23.075160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574/manifest.json
observed cfded0555b37ece9f08c579b98463272...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:22.964221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574/publication.md
observed 3fa0980d2ffecbede02b448945d64923...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:22.793181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574/publication.txt
observed 3d5dc7271a6dba1461bb46f23434a272...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.318872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574
observed f67e86c136148dfcf593d5f773e699e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.299635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574/manifest.json
observed cfded0555b37ece9f08c579b98463272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.281585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574/publication.md
observed 3fa0980d2ffecbede02b448945d64923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.262924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081574/publication.txt
observed 3d5dc7271a6dba1461bb46f23434a272...
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.