OpenTechnical

OT-2026-000007271

Publication integrity record

Bellows cup vacuum gripper, ejector fed, contact triggered, vented before set down, plastic cups

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-2026-000007271) never changes.

Identity and time

Publication numberOT-2026-000007271 · never reused
Internal UUID01a0a978-d2e3-73de-8abe-f7599b4c164c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:42.950754Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007271
StatusPUBLIC

Content hashes

Canonical text11a83992cc062bd8633b09335cef5f702b4f7b551ca2374bbe2f69129e48c2e0
Markdown1669a452a2f5d8cd05b90cb39dcaf8a66e24db92e430e16e7dc97809e3eb3fc7
PDF
Publication page481081a0bfede9c3889438effc2813af86e8d3c96cb40d09def12c9636cc7b9f
Manifest3eada3999e038d9378ceee1236705084794e1841270e49a1ac3b07a7eb557fe2

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
Signaturew/SOEY60migrOqYMWj2dIvu+vtM9WXYTK6h9H+8Twlt1NO++9He9ywPMjzAcOnWrI+XixKIk+FvVcv51mPA9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T16:41:05.070111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271
observed 481081a0bfede9c3889438effc2813af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:04.896953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271/manifest.json
observed 3eada3999e038d9378ceee1236705084...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:04.739670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271/publication.md
observed 1669a452a2f5d8cd05b90cb39dcaf8a6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:04.577823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271/publication.txt
observed 11a83992cc062bd8633b09335cef5f70...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.381295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271
observed 481081a0bfede9c3889438effc2813af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.243313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271/manifest.json
observed 3eada3999e038d9378ceee1236705084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.231576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271/publication.md
observed 1669a452a2f5d8cd05b90cb39dcaf8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.219505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007271/publication.txt
observed 11a83992cc062bd8633b09335cef5f70...
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.