OpenTechnical

OT-2026-000052571

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, 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-2026-000052571) never changes.

Identity and time

Publication numberOT-2026-000052571 · never reused
Internal UUID01a0ae84-573b-73fc-8cac-63a75efb99d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052571
StatusPUBLIC

Content hashes

Canonical textde59acdee51153320c5d9424372d87f354281c56c9a30ba9fe167f06dc1aec67
Markdownf220fd7f1228f152a929727160776e1079538d7a17c72915c2bfea6042f8bc59
PDF
Publication pagedae2d0497affbd10f2ae152d01db45e5bfa247eee5e91d6ea83d7aef5b0de0f4
Manifest890a86c90241c4c8d9ac343daed3734750d0d0f791aaad226cb0e4773eaaf3b4

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
SignaturetjmpEicNntcHDWdMmDfFgzDVM3e+jUwla35e+D5Lh0JfJWZ/K2Nh8jbKmNARnRRBs+fX/NFOjjpA1SwV6SHyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:13.829848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052571
observed dae2d0497affbd10f2ae152d01db45e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.809870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052571/manifest.json
observed 890a86c90241c4c8d9ac343daed37347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.790857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052571/publication.md
observed f220fd7f1228f152a929727160776e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.773498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052571/publication.txt
observed de59acdee51153320c5d9424372d87f3...
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.