OpenTechnical

OT-2026-000054477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000054477) never changes.

Identity and time

Publication numberOT-2026-000054477 · never reused
Internal UUID01a0ae86-1283-73c8-8a8f-2d353e4194f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054477
StatusPUBLIC

Content hashes

Canonical texta7a48e970b42531ab73c938e12603484b3cb631d3a3bba3a997583b2f117b4cf
Markdownd09734b064f860a2483cc07a90c186ff3ba58a0cd6aa3dadd5c42cbbbe4697fd
PDF
Publication pagebd569676264e57497f2b6164a9c8e38aa281e41d4e1f0b0b79604ac091ea92b9
Manifestbe3100ed417e04d8815cb5f26a4cd07eca488d22c37e8051e77080bef7ce405f

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
Signature+ER4p1qmTBKFEINOtsHtYIW8d+HF5g1r996FSbhvbDiHMrAHEzajVnX4v8JyqWeKN2jVYABR7jJM0ri8kbn4DA==
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

2026-09-17T10:53:28.399431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054477
observed bd569676264e57497f2b6164a9c8e38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.378813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054477/manifest.json
observed be3100ed417e04d8815cb5f26a4cd07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.361155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054477/publication.md
observed d09734b064f860a2483cc07a90c186ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.341483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054477/publication.txt
observed a7a48e970b42531ab73c938e12603484...
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.