OpenTechnical

OT-2026-000010986

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000010986) never changes.

Identity and time

Publication numberOT-2026-000010986 · never reused
Internal UUID01a0ae6c-540e-737e-bcc1-38bc7d4c9288 · 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-2026-000010986
StatusPUBLIC

Content hashes

Canonical text2367d4a13e2ea068445b24d14137f29a8507320143004b6b3024037b273ba335
Markdown49ca0d8011de4976f0d301b8eaa67b8c695d1acd89d214516d6510b95f75fa21
PDF
Publication pageb12bcf05bac63540c1d5558fe690bcb12381fc863f08a6d7ad19e720d423d067
Manifest56680ca21d593fabd784406bad1be878930ae55ef900296d2cb9afc7b6e0831d

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
SignatureK8XT2PT5KgQlrxjKzB2QyaD8/rlN0800CQqdTKHQ+8ozveGixT4myhxPh6/REinFl1E/s8rkzrrrgAZgo8AkCA==
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

2026-09-17T12:13:47.350690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010986
observed b12bcf05bac63540c1d5558fe690bcb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.329578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010986/manifest.json
observed 56680ca21d593fabd784406bad1be878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.309523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010986/publication.md
observed 49ca0d8011de4976f0d301b8eaa67b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.290680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010986/publication.txt
observed 2367d4a13e2ea068445b24d14137f29a...
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.