OpenTechnical

OT-2026-000011653

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000011653) never changes.

Identity and time

Publication numberOT-2026-000011653 · never reused
Internal UUID01a0ae6d-1940-777a-93cd-a991d3a14262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011653
StatusPUBLIC

Content hashes

Canonical text6505d1789ed768eacfc27d71116eadc7ebee230023098a1570d44980fd4a544e
Markdown937202db1364931d054dd409598bd5d4271022f1987621873ad852741efdfc21
PDF
Publication page214b9640556b46321f2b3c698cef23b7facfd445def40c8234318c7031248805
Manifest3c1faf452e22dafd8fe07f144596a9e57b02559fbd574cf8887f3bbb06558abf

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
Signaturee9LsOm4YiP/HwuaX5kVnbkODbCCmnmKFTu7zkImlnSozmmZCCwNAxLfkC60QqCG1GOF4wcTx376HK2UI0cc1BQ==
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

2026-09-17T12:12:14.564070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011653
observed 214b9640556b46321f2b3c698cef23b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.543652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011653/manifest.json
observed 3c1faf452e22dafd8fe07f144596a9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.524519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011653/publication.md
observed 937202db1364931d054dd409598bd5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.505193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011653/publication.txt
observed 6505d1789ed768eacfc27d71116eadc7...
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.