OpenTechnical

OT-2026-000057438

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000057438) never changes.

Identity and time

Publication numberOT-2026-000057438 · never reused
Internal UUID01a0ae87-d5c7-7b97-b860-5936a6ab8356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057438
StatusPUBLIC

Content hashes

Canonical text6ef1881c4af91361f989990e34843efb11f776ee0f33360f677a08f7d49c00f1
Markdown3818f10ff958c66439dfcff3d07ea7fa27c74c11d0326c961d0eff5c8cf9e583
PDF
Publication page697a1c79c343bd49a29674c1403ae36e2fd0ae8a3ca00c2437316901871e2ae4
Manifest8c1986e66f629500977de67d982ba873b358adb7fd9e7bdc1f408c9c7c37bac6

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
SignatureizSmf0O+E7bZ2pIAZ31iaIdpxjH2KEdNfYOtH5iAr3pTkb9YEbKYTVcVOuRsHMr6mYnQZs1DFR5a98/znGfTDQ==
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

2026-09-17T10:49:43.987995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057438
observed 697a1c79c343bd49a29674c1403ae36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.969898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057438/manifest.json
observed 8c1986e66f629500977de67d982ba873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.941642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057438/publication.md
observed 3818f10ff958c66439dfcff3d07ea7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.924955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057438/publication.txt
observed 6ef1881c4af91361f989990e34843efb...
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.