OpenTechnical

OT-2026-000054698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000054698) never changes.

Identity and time

Publication numberOT-2026-000054698 · never reused
Internal UUID01a0ae86-1284-7b1d-8727-a1381db0b3e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054698
StatusPUBLIC

Content hashes

Canonical textc722450bc11ec66bb04f6c3b0eb71ed53e9d44b6d77b3302091c89ce2ea5e1ed
Markdown226cb530d345f81626ff34319f51c158396a7c2acb50be7e8d75ba6c130a3036
PDF
Publication page940015e5d2c7b2b96b2d7a7a6d1995771ef2854fddf1e20cfadd7c45855d3232
Manifestb881b08f0dc49d8dbf94dd0cff45c97a357ce43cda76848ba4162636386d0669

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
SignatureARxIxreQ4eGCAvPWy/YJ9ynm8HaIrtIvhCLB5xhi0zxq6xKhghMo1XygH2hWLLy5hklsURQ3Tmm+nlOuAyWnDA==
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

2026-09-17T08:41:41.529574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054698
observed 940015e5d2c7b2b96b2d7a7a6d199577...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:40.829706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054698/manifest.json
observed b881b08f0dc49d8dbf94dd0cff45c97a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:40.507918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054698/publication.md
observed 226cb530d345f81626ff34319f51c158...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:40.246571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054698/publication.txt
observed c722450bc11ec66bb04f6c3b0eb71ed5...
fetched by grabo-systems from 34.44.131.203, 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.