OpenTechnical

OT-2026-000053172

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053172) never changes.

Identity and time

Publication numberOT-2026-000053172 · never reused
Internal UUID01a0ae84-a432-7bd8-ab40-f73047bc8542 · 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-2026-000053172
StatusPUBLIC

Content hashes

Canonical text6558cd515ea83b892a3f12b824b60d1d3f2afe1edbe83d4d24ce41588768c1a8
Markdown495e1e8fc69a7efe4d37d0ff218a229882f79735031b27e128e74815e3550ff8
PDF
Publication page18053716efbe82395d6c2a4901f2a243ff56dd5c1bacba65cae58b43aad3a888
Manifest469811598b7d821add6ee81f31170ad596e21aaea98886ddc413e4fe4dde4428

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
SignatureuIQpnmcbJVueHqAqv/xBpYePt8kptfwOne9CEi+14ieEOzKnukb9d8xauBAufkrtSq0vIYM8JX6KoI0c6McwAg==
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

2026-09-17T10:56:59.751381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053172
observed 18053716efbe82395d6c2a4901f2a243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.735007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053172/manifest.json
observed 469811598b7d821add6ee81f31170ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.718838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053172/publication.md
observed 495e1e8fc69a7efe4d37d0ff218a2298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.700734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053172/publication.txt
observed 6558cd515ea83b892a3f12b824b60d1d...
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.