OpenTechnical

OT-2026-000051958

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000051958) never changes.

Identity and time

Publication numberOT-2026-000051958 · never reused
Internal UUID01a0ae83-e78d-73c5-9ff8-7970623b73ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051958
StatusPUBLIC

Content hashes

Canonical text7a6ed53cadf7cdddc5789298d9e80f93c6c446910f11bf09c1465d447d2133ad
Markdown1aa64c32e4c2776822c91c82d0515be64be2094dc5cc711ac98a48d47df0c034
PDF
Publication page5e471cef1ca74615f8c216702f5cebc6ad0f2530eb6d77dee29550ae60c64549
Manifesta592204b47d080199d365a9fcd1d4ad787b88c0e1727d0b85aa0161d8efc29b8

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
Signature+nh9VVRGnYj/NoTgGNz3Mxr1roQElc8Z9D2m5nF5m8Ydbl75T04Z1Do8k+FFw3draXBM/NZRjqjoMivQGII4BQ==
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

2026-09-17T10:57:27.177302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051958
observed 5e471cef1ca74615f8c216702f5cebc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.159540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051958/manifest.json
observed a592204b47d080199d365a9fcd1d4ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.140988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051958/publication.md
observed 1aa64c32e4c2776822c91c82d0515be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.124153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051958/publication.txt
observed 7a6ed53cadf7cdddc5789298d9e80f93...
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.