OpenTechnical

OT-2026-000026895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed 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-2026-000026895) never changes.

Identity and time

Publication numberOT-2026-000026895 · never reused
Internal UUID01a0ae72-3452-7391-add7-e2e77ab4c85f · 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-2026-000026895
StatusPUBLIC

Content hashes

Canonical text1feeaa00db729a7f5d158f62dc4a94c64e3017f1c8a403f01951ed04fa5b3185
Markdown083915a42d8ec0466233e8819e4cbde06767e294f6db2bb4b2b743dfee494825
PDF
Publication page8ebb9bbbb126d8e77cfee122ef6e4fdb326e1c834ba4a45be899d8c7a4052d4f
Manifest6d67a78fd92180167804206bb8a9ff6aa46b19f7fafe49157e05c668e400dee2

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
Signature2SSGSMUBHAftzZ4ZvM9S6r4FaRmulw4mLe118ot/YPxN3lT/67hzUdO6w52PVCLb9vjHD9WvEs0IWYJ1KNnrBg==
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

2026-09-17T11:43:30.250948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026895
observed 8ebb9bbbb126d8e77cfee122ef6e4fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.235193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026895/manifest.json
observed 6d67a78fd92180167804206bb8a9ff6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.218833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026895/publication.md
observed 083915a42d8ec0466233e8819e4cbde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.200087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026895/publication.txt
observed 1feeaa00db729a7f5d158f62dc4a94c6...
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.