OpenTechnical

OT-2026-000062520

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000062520) never changes.

Identity and time

Publication numberOT-2026-000062520 · never reused
Internal UUID01a0ae8c-0ac0-70ab-bb9d-e6af1c91e2db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062520
StatusPUBLIC

Content hashes

Canonical textff86c18c9913551532138aec2488a25dbbcb19a4fca6ea8fe8fac9dc9f8556d2
Markdown002cc4b72e70044462974f23a55a8bc8d21062dcd302f8814cbd8c3737460a80
PDF
Publication page3c6a843d97fed2ca6262f017e7fca6ac43217722618f463882439c9f3a22ff17
Manifest3d62542034eb46310f30b05b650132a6492785c2df16e2942afcd0a2ed49b0b3

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
SignatureJtdM2udQiNJwGp19GeB+JKggwGMrPWbnCphdruD/cmyn+OYSZ6gW81dOIRvPQLDRGxIP/Q3rUANlam87ZomGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:58.563065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062520
observed 3c6a843d97fed2ca6262f017e7fca6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.546425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062520/manifest.json
observed 3d62542034eb46310f30b05b650132a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.525367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062520/publication.md
observed 002cc4b72e70044462974f23a55a8bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.505432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062520/publication.txt
observed ff86c18c9913551532138aec2488a25d...
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.