OpenTechnical

OT-2026-000052717

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000052717) never changes.

Identity and time

Publication numberOT-2026-000052717 · never reused
Internal UUID01a0ae84-a42d-7e17-89e8-9722853456f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052717
StatusPUBLIC

Content hashes

Canonical text327c0145e8530688043d81c215e2321693fde35f2ec39356d0ae6446961d9ae5
Markdownf90b9eb895d80653155594edf3588234c6a12e74f54bbba59fc8940abe65c61b
PDF
Publication pageb9cf88130ed22941dcf7578309038e69d4be99627d7ad331898276c094d25bb6
Manifestbc02505a166aad197549fa9d97e38e5814b1f3c281795d84d04a6a7097a2b99a

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
SignatureSrUNlVMBzFynUBxoznhhKVoBKX0mGweUBk69HBsuOoq6msOJIngkPEqIwWO4rhf+2n2qzm5jkonkHm4u7aYrBg==
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

2026-09-17T10:55:42.440262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052717
observed b9cf88130ed22941dcf7578309038e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.422626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052717/manifest.json
observed bc02505a166aad197549fa9d97e38e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.405016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052717/publication.md
observed f90b9eb895d80653155594edf3588234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.385964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052717/publication.txt
observed 327c0145e8530688043d81c215e23216...
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.