OpenTechnical

OT-2026-000054535

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000054535) never changes.

Identity and time

Publication numberOT-2026-000054535 · never reused
Internal UUID01a0ae86-1283-773b-834f-ef9460b18fac · 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-2026-000054535
StatusPUBLIC

Content hashes

Canonical textb492b41d2c257cac6530e231cffd09ffc8302ba4f9a209b17a3a710f1ea13475
Markdown99618d3c122fbcfdf7d28d5039fcd2ec7731614511a1daa7244dfefcc52adbcb
PDF
Publication pagea8f2fad6ef6914b577361744bb9e36473db2cad820b0e6fab65be09600c366e8
Manifestd9846529f9bb386ac4fed64af1c3a4ec149ee0b28bdf5ef38b091429e8380448

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
SignatureAHYeeeblml2gMSiM130+ibg41b9dtfJZISS4eqwV26LSVAPZ1WblzoRGefulV6eEAhHbhObuJweotEl+KgUjAQ==
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

2026-09-17T10:53:33.887744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054535
observed a8f2fad6ef6914b577361744bb9e3647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:33.868001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054535/manifest.json
observed d9846529f9bb386ac4fed64af1c3a4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:33.848904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054535/publication.md
observed 99618d3c122fbcfdf7d28d5039fcd2ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:33.828771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054535/publication.txt
observed b492b41d2c257cac6530e231cffd09ff...
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.