OpenTechnical

OT-2026-000034776

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000034776) never changes.

Identity and time

Publication numberOT-2026-000034776 · never reused
Internal UUID01a0ae76-1ed2-747c-9548-6e9523bc0a59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034776
StatusPUBLIC

Content hashes

Canonical textaa1280020b7e2b45f1ad9b6ab6ace4a6b803d6f4b3f6955a8a922eb1984b6346
Markdown7d15e4db96b58e7d7128744598cea3735f1277b40563dd193fd17134057c6af4
PDF
Publication page34abf6a9cda7347d07073ee0596a2df7074d0b295cb205e234489816628ecde4
Manifest9a63362f2c053b3d2730e1ccd16438d333fa61ec8fabda72981bbe0b954a2c4c

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
SignaturegK4R2is5DAk1/gI9l9gnuzt/9JQh/l7gQrlINGInitY3wo2ipOCiIdNoEmeLe6a876qsrLVMZgbT2X54D5nWCg==
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

2026-09-17T11:30:16.408168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776
observed 34abf6a9cda7347d07073ee0596a2df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.387204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776/manifest.json
observed 9a63362f2c053b3d2730e1ccd16438d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.369432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776/publication.md
observed 7d15e4db96b58e7d7128744598cea373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.353135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776/publication.txt
observed aa1280020b7e2b45f1ad9b6ab6ace4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.869043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776
observed 34abf6a9cda7347d07073ee0596a2df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.852430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776/manifest.json
observed 9a63362f2c053b3d2730e1ccd16438d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.829205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776/publication.md
observed 7d15e4db96b58e7d7128744598cea373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.732693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034776/publication.txt
observed aa1280020b7e2b45f1ad9b6ab6ace4a6...
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.