OpenTechnical

OT-2026-000053826

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented before set-down

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-2026-000053826) never changes.

Identity and time

Publication numberOT-2026-000053826 · never reused
Internal UUID01a0ae85-735d-7473-ab22-bee1345182cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053826
StatusPUBLIC

Content hashes

Canonical text2ae4bf62a6b8099f5139a8f92814333dd551a7f6a6f81bd680d59497243aa128
Markdown030ab630771870430d1a40c5e457014056e89fc29819b1f0f56b8e7dc93bb666
PDF
Publication page8a1be0f863c45479027f99a4a8b1b290875944ac660ab281d09fae69c5e30d70
Manifest1755f17edd12b32ff7fde4753277bc887727ec951e441a08a0ac665c93c1c349

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
SignatureQe4sWQe7NoRLN+C0rVfO0qePXOHdhME+n2oNmwYsYHqczB8hnUh3vkCcaC6keu+vaWOru5jOxrObxUNgRNz8Dw==
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

2026-09-17T08:40:34.268458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053826
observed 8a1be0f863c45479027f99a4a8b1b290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.250261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053826/manifest.json
observed 1755f17edd12b32ff7fde4753277bc88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.231023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053826/publication.md
observed 030ab630771870430d1a40c5e4570140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.212694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053826/publication.txt
observed 2ae4bf62a6b8099f5139a8f92814333d...
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.