OpenTechnical

OT-2026-000052009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052009) never changes.

Identity and time

Publication numberOT-2026-000052009 · never reused
Internal UUID01a0ae83-e78e-7bcc-9fd9-20726136fe98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052009
StatusPUBLIC

Content hashes

Canonical text6904824837bba60b409979b16000776dea4a1bc2229b096b88d2aa3eca0597dd
Markdown42375fa9f42713a0067210a28b52dd5692d30a2b172e3e2b36a047c1f6ccd797
PDF
Publication page8551420ba6551a060d33ead639b87ba8d9e42462aa34f327abab1d34ce6eaf27
Manifestf2dff04031c97f46862411e2b6fa5075527423ac42a7e2e6bba9e4e8b9f6fd50

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
Signatureovi4ML5H4epYrd8BooM2r+8hlsYtOBQqIi8OGOdWnjN6fkEmo2kXNUj0nufTUn9j5KDOVUgMtu/djX3fR0o3Cg==
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

2026-09-17T10:57:31.045271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052009
observed 8551420ba6551a060d33ead639b87ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.028437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052009/manifest.json
observed f2dff04031c97f46862411e2b6fa5075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.010588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052009/publication.md
observed 42375fa9f42713a0067210a28b52dd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.991168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052009/publication.txt
observed 6904824837bba60b409979b16000776d...
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.