OpenTechnical

OT-2026-000038531

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000038531) never changes.

Identity and time

Publication numberOT-2026-000038531 · never reused
Internal UUID01a0ae78-2d53-71ef-b0e3-3cde5fcd5f04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038531
StatusPUBLIC

Content hashes

Canonical text9976ed2825ba1a88b6d3ccf9fb395068ecca3791a199b9a07f00f4ce3089a316
Markdownc992ee7f7327d599df04c618ac284aed7ec3e5d0643532b0ee329c13e947f525
PDF
Publication page1f86c77ad5358d18e76f94b49ecf76794e866d18508b76417a59a4b296e9a154
Manifest8da1f3a5470203272b241024baafdb5e366666888eecf88a649123cd0d19d8c3

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
SignatureaUHtlK2lxWUuwPHUodRbuHiFePTPnoPWgmcNLX7CPA51Lyx3WUkfPDkUn0ZADN/t7PaEirJI5Q7WnOaVQA4+Aw==
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

2026-09-17T11:22:47.353494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038531
observed 1f86c77ad5358d18e76f94b49ecf7679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.337195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038531/manifest.json
observed 8da1f3a5470203272b241024baafdb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.320625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038531/publication.md
observed c992ee7f7327d599df04c618ac284aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.303949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038531/publication.txt
observed 9976ed2825ba1a88b6d3ccf9fb395068...
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.