OpenTechnical

OT-2026-000033258

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000033258) never changes.

Identity and time

Publication numberOT-2026-000033258 · never reused
Internal UUID01a0ae75-4845-7b13-b4ed-f987ad778744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033258
StatusPUBLIC

Content hashes

Canonical text15f95cf38c7cea9863e9dbef6f2d66fa47fc6045a60e4d888a89548c960d2563
Markdown73d78021bf31ba2b8e9ac7fdb08526efede2aad38dee7ce40cda38b8ef1017c4
PDF
Publication page4796f3b2a92e66c138c056a5aab8fab1aa0f1c8a3e1d8f4867d634de7853d0ab
Manifest77b905e2d57b38be96050f0b5d84c06f84ebdd57feab70736dee2934bca8f599

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
Signature9zM30W63GbizapLL/XG9r310an0IysAFCVcpABT5ZIYJBtfOSnwbk0IzQu+EKPgB4IJx1ATmEAGevxKs6TojAQ==
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

2026-09-17T11:32:58.298970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033258
observed 4796f3b2a92e66c138c056a5aab8fab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.271024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033258/manifest.json
observed 77b905e2d57b38be96050f0b5d84c06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.254032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033258/publication.md
observed 73d78021bf31ba2b8e9ac7fdb08526ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.236387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033258/publication.txt
observed 15f95cf38c7cea9863e9dbef6f2d66fa...
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.