OpenTechnical

OT-2026-000033206

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000033206) never changes.

Identity and time

Publication numberOT-2026-000033206 · never reused
Internal UUID01a0ae75-4844-7eb9-86a1-3e26d482c472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033206
StatusPUBLIC

Content hashes

Canonical text242a4eef0cb3bc4b6a46fadfc28d714db5f56712e2c02660b378942896e5cb7a
Markdownbffc13aa506b8ab94a8950e4739fa624a767e1b1e41894c29f4960c239438631
PDF
Publication page124424d96b67e114e126f1288a527ec648caa3ddc957f4f054cecf4957c1e9dc
Manifestd8326c9012e6938658e670f52cc2041f197f1f7f239906d813bc7a8101dcb546

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
Signature1pi7Gu45D/kq5aB8A5GB3ePMH5QUBhKxoTcrFLw8zjfn/UMCNqYGWDV9Pm7LLwVAnkaXZbfIqc6a+Y3FVXs1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:54.365640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033206
observed 124424d96b67e114e126f1288a527ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.349374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033206/manifest.json
observed d8326c9012e6938658e670f52cc2041f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.332823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033206/publication.md
observed bffc13aa506b8ab94a8950e4739fa624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.315340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033206/publication.txt
observed 242a4eef0cb3bc4b6a46fadfc28d714d...
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.