OpenTechnical

OT-2026-000043895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold 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-2026-000043895) never changes.

Identity and time

Publication numberOT-2026-000043895 · never reused
Internal UUID01a0ae7b-d678-79a4-abc1-cbf85254da08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043895
StatusPUBLIC

Content hashes

Canonical text71908db3653f4ddb849e082c39f7b003a476cbcd822a7ce11cbfd9de5fd5a70d
Markdowndcfd9a25e5948f9d9af44b425b2a3823f41f8e1c88d24b8261cc2518b04bf3db
PDF
Publication page577b0c32faf24d46019e069c120619c11667a342cb09559a12c2082e6bab9003
Manifestbb994759ab97e97ebd7b80532b44f137cdf4362a5d33b58bbd6332e9745117ff

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
Signature0jk1XkhFkK8f2xSnoaBmxnQrDuWWgOQvXLcEmCw6hXBXlXyjYNIG6m1+Hpe6nxfDmtywwib5SiZwIb4i8poXAg==
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

2026-09-17T11:12:13.773268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043895
observed 577b0c32faf24d46019e069c120619c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.753956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043895/manifest.json
observed bb994759ab97e97ebd7b80532b44f137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.735856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043895/publication.md
observed dcfd9a25e5948f9d9af44b425b2a3823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.717793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043895/publication.txt
observed 71908db3653f4ddb849e082c39f7b003...
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.