OpenTechnical

OT-2026-000056434

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000056434) never changes.

Identity and time

Publication numberOT-2026-000056434 · never reused
Internal UUID01a0ae87-4bd2-778b-ac48-1d3af7000f7b · 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-2026-000056434
StatusPUBLIC

Content hashes

Canonical textc29285337cca36b63ef8ba4b04057f037f2c2702d056ac91471ee4f8b9c955e2
Markdown6dc49e6062c671bac51b25d51d11e31554ae0405a5bcb3c12fe2b43ad2a97c06
PDF
Publication pagea622b7f567e14b7a463f68ac2e18ea0d8b7cdd98744d2613b8fe3a0bbe4b1b14
Manifest330de0d659308a1454de19cf0523768dbc7ec8923c54eb0e3a6e41253ea4b0bc

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
SignatureeQQ6CswLyIBH3tnrAzJrIaPph7cr0vyDyDXFD5AVU76NV+S4s1cA7NMB4etTZ1TG8EbB2J6j97k8dJ16VqK+AA==
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

2026-09-17T10:50:58.039795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056434
observed a622b7f567e14b7a463f68ac2e18ea0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.022484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056434/manifest.json
observed 330de0d659308a1454de19cf0523768d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.006382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056434/publication.md
observed 6dc49e6062c671bac51b25d51d11e315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.988835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056434/publication.txt
observed c29285337cca36b63ef8ba4b04057f03...
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.