OpenTechnical

OT-2026-000059684

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059684) never changes.

Identity and time

Publication numberOT-2026-000059684 · never reused
Internal UUID01a0ae89-ec24-7bfe-b7e4-66c07563c235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059684
StatusPUBLIC

Content hashes

Canonical text31a0dbe0c11a8ac2c65cc60875f225f2cd5b3bd3d7fa4115fd021ce4fc500df5
Markdown29bcc944137b72db4c1864b8d50272158a7e6191103446e4709d671bddab41d6
PDF
Publication pagec00c4b1b83f0476486949e691dd2807512bebb2d5b1dc8bb63610991438a51f9
Manifest188be3a94cb7a2ea0fcc6b5ff9bb1bf1028db151f03c6b063d0cd2d754807a78

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
SignatureDm52ScvvSTYxEAGeBqjYtaN1koXd/GDSDZCiVaBT2MjixL9q4ni9NJ21ZYI767ffGhbaPKouF/Dk4sDTq578AQ==
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...

Independent retrieval

2026-09-17T10:44:23.384123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059684
observed c00c4b1b83f0476486949e691dd28075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.365934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059684/manifest.json
observed 188be3a94cb7a2ea0fcc6b5ff9bb1bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.348025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059684/publication.md
observed 29bcc944137b72db4c1864b8d5027215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.331164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059684/publication.txt
observed 31a0dbe0c11a8ac2c65cc60875f225f2...
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.