OpenTechnical

OT-2026-000027160

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000027160) never changes.

Identity and time

Publication numberOT-2026-000027160 · never reused
Internal UUID01a0ae72-3454-7ae8-8054-4a25b19e3cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027160
StatusPUBLIC

Content hashes

Canonical text27a9c9abf7ddfa0c5494d44938944e852030246b8556bf257e280cbfcde284b5
Markdownaaa7eca97d8f6f60fd33bffa2938acb58e1d9412516cdb7e9af7760b8ef60712
PDF
Publication page2b16bd5465a150296f88f3b254d088151f7a8cd8c9eacdd6969c87bd5d3b030e
Manifest45d530faf5cf0280dd3eea40ad3100e62586f74017f31ecf5c1c1ec5d5080f4f

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
Signaturei3zuWZgTIvjfP3HC1tGknq97Ql8YlGa++KvrC0tXc8/pdKYr57eB23uTRypFIStoCYbxJj0HPrt6LTRp+de4Bg==
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

2026-09-17T11:43:56.455514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027160
observed 2b16bd5465a150296f88f3b254d08815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.439271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027160/manifest.json
observed 45d530faf5cf0280dd3eea40ad3100e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.419620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027160/publication.md
observed aaa7eca97d8f6f60fd33bffa2938acb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.402000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027160/publication.txt
observed 27a9c9abf7ddfa0c5494d44938944e85...
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.