OpenTechnical

OT-2026-000045671

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045671) never changes.

Identity and time

Publication numberOT-2026-000045671 · never reused
Internal UUID01a0ae7d-8f03-7e03-b92e-27c2bdad4bb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045671
StatusPUBLIC

Content hashes

Canonical textb8b578dbf4845b3c872c9a5bee5dc55c63f3b537642c1c56211906d9bda24f5f
Markdown837836d59c89b1e8f662a9ccbde6d40ce594470b5af52367fb6a9b461882d2b0
PDF
Publication pageecdd1f81005b0e008626857ccfed95553fbe6a3a0dc6f300f183d6b9145e49d6
Manifestf48d8a1dfa615b66287bf7174829d7c9d517241d109b625c5fcfcd760d4114a9

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
SignaturesfQwSLWPasoSEjbmJ8qWoffkEHtoV3cFlieYmvlaNgsF4xUCYmsS/P0UlIQsDmTYghWQ64ceiBfOPuzhnYBMAg==
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

2026-09-17T11:09:28.117470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045671
observed ecdd1f81005b0e008626857ccfed9555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.098033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045671/manifest.json
observed f48d8a1dfa615b66287bf7174829d7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.078656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045671/publication.md
observed 837836d59c89b1e8f662a9ccbde6d40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.059717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045671/publication.txt
observed b8b578dbf4845b3c872c9a5bee5dc55c...
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.