OpenTechnical

OT-2026-000052651

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000052651) never changes.

Identity and time

Publication numberOT-2026-000052651 · never reused
Internal UUID01a0ae84-573c-7e72-a2b6-387f284549eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052651
StatusPUBLIC

Content hashes

Canonical text0489ffc8b0ee18e903901defe800b25b28c7a60a318fa9e0dc06f36fa15795cd
Markdown779f607db7e5189dc0124648c5d7076c35673821cc93903308307f92df66f222
PDF
Publication paged17ce766902ff50fd0c0aea4e71c198734a2b8bc256b20ee65b808e3f6d744ed
Manifest4e4165e56297f6dd99b526bd7c1e7fe82c6a37c0de981e6d3219766ea40dacdb

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
Signature9SAQ+zigmCq7SViUL/JpbdRQkFWuK/rQnpJKKu8kzOz4eTA4+nQO8H9KzgPNhOw7DSnuRL65qZ+0lHXnYmtVCw==
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

2026-09-17T10:57:19.933587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052651
observed d17ce766902ff50fd0c0aea4e71c1987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:19.914541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052651/manifest.json
observed 4e4165e56297f6dd99b526bd7c1e7fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:19.895996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052651/publication.md
observed 779f607db7e5189dc0124648c5d7076c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:19.876066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052651/publication.txt
observed 0489ffc8b0ee18e903901defe800b25b...
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.