OpenTechnical

OT-2026-000042926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000042926) never changes.

Identity and time

Publication numberOT-2026-000042926 · never reused
Internal UUID01a0ae7a-c0d1-7f12-9946-cd85a8df3136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042926
StatusPUBLIC

Content hashes

Canonical textbed7ae4d8aabd0dc5e278fa0fb73255fbfe69f22c216620cc4ac1fba445c642a
Markdown4f95fe4ffa4aaaf85b7cd7a14d86534dbaa35002ce9342ff3d15fdda418a1014
PDF
Publication page8ebf5e825813bc4263ae9a2bc2c53c9e1ce42a51996475f3d6fcc9b72c56de91
Manifest149b715bcbe2ee8dd9037b4fbc00e7bb0f733c5347edd9c96b9eb2c21e37dfef

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
SignatureeAj4mdrdVi+m0pi0X6vCFcsj9H2UEmlbOCgoFQNQhSqRcXmw6hgU4J9+0O7ht2cblEbFjtqmtcT3PKae9qXCBg==
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

2026-09-17T11:15:27.164427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042926
observed 8ebf5e825813bc4263ae9a2bc2c53c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.145708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042926/manifest.json
observed 149b715bcbe2ee8dd9037b4fbc00e7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.125786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042926/publication.md
observed 4f95fe4ffa4aaaf85b7cd7a14d86534d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.106714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042926/publication.txt
observed bed7ae4d8aabd0dc5e278fa0fb73255f...
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.