OpenTechnical

OT-2026-000054130

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000054130) never changes.

Identity and time

Publication numberOT-2026-000054130 · never reused
Internal UUID01a0ae85-b3a8-7434-8176-59ac86c7afea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054130
StatusPUBLIC

Content hashes

Canonical textfb26ab3951675e8a25a53349b791daaf5d129d6d427b994ea95cc4b5b6fd286b
Markdown4c520c17187b5d1c9861fef043a8388ec3c55e3c9be02276bbf9cf7515af2170
PDF
Publication page567384fea5f2846d6af460c26787fcd1872a8fec881e047bad817af968c8f9c3
Manifest77bf611cb2a88f61d0c610bdf2e2759941df5bec2bc6873da5e846065e557e83

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
SignatureJV2LNDvH31VAoQVwKiBu+9fu9bugDr22SxDrKr78noKw58BQ8Ys6Rn545JBfLP0lEdMMryjbBnYJNxlpue78BQ==
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

2026-09-17T10:54:32.571717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054130
observed 567384fea5f2846d6af460c26787fcd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.550465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054130/manifest.json
observed 77bf611cb2a88f61d0c610bdf2e27599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.532610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054130/publication.md
observed 4c520c17187b5d1c9861fef043a8388e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.515066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054130/publication.txt
observed fb26ab3951675e8a25a53349b791daaf...
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.