OpenTechnical

OT-2026-000056001

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000056001) never changes.

Identity and time

Publication numberOT-2026-000056001 · never reused
Internal UUID01a0ae87-0a4a-7d12-a84d-e6c8c79b50c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056001
StatusPUBLIC

Content hashes

Canonical textfba84485812d46ace3d37d2189d95e72ee118e43c741c0e92a6e34e71d8547af
Markdown7a29310cd5c1ff9b964fa65aff1792291da021da635ce156c40f0ee48dfadbaf
PDF
Publication page8ae3fd14ac738ecd2fbbb1c9418070a58679dd83e7225b2afd9f78a4f58f7c35
Manifest1b2f3cf0dbe000a21bd8cceff1972f0654c8d2521ae5d9119c0db52af761170c

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
SignatureHYvxjwubtWOqPRWMvcZBYgA7px2n4QGQYj9j3Al9bCqWklEpFR9t0zZiZmv6e0sMi2ZR9YVU3f2J7srXI1tABA==
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

2026-09-17T10:51:31.572914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056001
observed 8ae3fd14ac738ecd2fbbb1c9418070a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.554624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056001/manifest.json
observed 1b2f3cf0dbe000a21bd8cceff1972f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.536734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056001/publication.md
observed 7a29310cd5c1ff9b964fa65aff179229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.519864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056001/publication.txt
observed fba84485812d46ace3d37d2189d95e72...
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.