OpenTechnical

OT-2026-000103241

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103241) never changes.

Identity and time

Publication numberOT-2026-000103241 · never reused
Internal UUID01a0aea4-be3f-7a2c-a781-f473fd8bbb98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103241
StatusPUBLIC

Content hashes

Canonical textcf16c8e22d3e2ba30868bc3901b925543849e2e0c6775327bf7e62e21d0d496a
Markdownf46f2d04e6501c2dee13b47e673e125f1b4d3f5262ca8dcb5067fe470c7ce106
PDF
Publication pagee023cd5027c07e9b7ac543ba81fa15642457aace27277563818c154e43b727f9
Manifestf825e822f84d16dc71ade0e194a456396b01856373b210771b570863414ffe37

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
SignatureTk11xBCzYrefCAkyrQ5x9Vs6scLNijtmTo6TDR2VysjlR/9YBo5rFM4npqrwholtMd54QILGFPDDsgNtY3q7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:28.543634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103241
observed e023cd5027c07e9b7ac543ba81fa1564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.527240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103241/manifest.json
observed f825e822f84d16dc71ade0e194a45639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.510867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103241/publication.md
observed f46f2d04e6501c2dee13b47e673e125f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.493838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103241/publication.txt
observed cf16c8e22d3e2ba30868bc3901b92554...
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.