OpenTechnical

OT-2026-000054166

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000054166) never changes.

Identity and time

Publication numberOT-2026-000054166 · never reused
Internal UUID01a0ae85-b3a8-7673-9693-a0437fb54644 · 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-2026-000054166
StatusPUBLIC

Content hashes

Canonical text19b9186213bcf82bac98c53b105de609bb4db5466e65bfb488e1fe200ff86e36
Markdowndd657954ef6516d3c058493a18231dc651da72b0e063385a5d283be5b10b4080
PDF
Publication page2522300aabb8c0b860b5f7597d306f099daa0530a5b00667f8cc4fa945ad027f
Manifest05c5eea2b8bdf5ee48a71bd50e41ffae1e9da84a2fc561525fae2d8d67138ccb

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
Signaturev95C/geyCQT2VnvvIh7lNiDA5wV6hKpy6ZG7PmD6SISJ569rl2RkCOoAwwo80GbKrePngx6YdF+7pPGeUSTGBQ==
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

2026-09-17T10:54:33.401786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054166
observed 2522300aabb8c0b860b5f7597d306f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.382213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054166/manifest.json
observed 05c5eea2b8bdf5ee48a71bd50e41ffae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.361000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054166/publication.md
observed dd657954ef6516d3c058493a18231dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.333276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054166/publication.txt
observed 19b9186213bcf82bac98c53b105de609...
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.