OpenTechnical

OT-2026-000055934

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000055934) never changes.

Identity and time

Publication numberOT-2026-000055934 · never reused
Internal UUID01a0ae87-0a4a-7a88-adbb-e8e5d0338fad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055934
StatusPUBLIC

Content hashes

Canonical text7ef7dbeba365ea04e8f6efff94c209eaeef4d3d3f177a628aab5a2b0007034ca
Markdown9da8f75b75a80660b10a186623b882af578e6abfa3822d18fc4487ea528ea6d6
PDF
Publication page524b12db5548a6b8734b5666791c82d38c97376b851592549888f291aafd80f1
Manifestaee684afdfd839661316000e82f5347b91d555fddfd56c133f93151c21cf3ed7

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
SignatureUtKhEgAOh9LiP3zFOVBbmjIR9hUeCaCjZru7yRBtEUq3o/S2ZBg9Sh6e4yU/8ZOsrrXlA+52g6iWF7X+ZN1PCA==
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

2026-09-17T10:51:26.993757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055934
observed 524b12db5548a6b8734b5666791c82d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.977275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055934/manifest.json
observed aee684afdfd839661316000e82f5347b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.959692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055934/publication.md
observed 9da8f75b75a80660b10a186623b882af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.942749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055934/publication.txt
observed 7ef7dbeba365ea04e8f6efff94c209ea...
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.