OpenTechnical

OT-2026-000010989

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000010989) never changes.

Identity and time

Publication numberOT-2026-000010989 · never reused
Internal UUID01a0ae6c-540e-7430-a104-9ae76def51b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010989
StatusPUBLIC

Content hashes

Canonical text83a866695d85d097297dbf88a5b42462749d862f41653a5d07e50f06fec806c2
Markdown2004a2397445fa579680242899d5dcfa038685a94437f722197ee7e456c3943b
PDF
Publication page38fa5808a739d9c9dcc68a738dbcaa6d561e5c1571d8c7905ce1b15358180a3d
Manifest4141d999a3e71381c4c6e3a111180609e85683d97ac147513588059bb8f793e5

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
SignatureO0hjg1RYAae7Vnbf32y+gX1Bok65js9VqTh21Rqe5RO70jl/nhRSYB+VKT42CNHjHIDCuYafr1rCzT30Ck2kAQ==
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

2026-09-17T12:13:47.718943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010989
observed 38fa5808a739d9c9dcc68a738dbcaa6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.696377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010989/manifest.json
observed 4141d999a3e71381c4c6e3a111180609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.556988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010989/publication.md
observed 2004a2397445fa579680242899d5dcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.536823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010989/publication.txt
observed 83a866695d85d097297dbf88a5b42462...
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.