OpenTechnical

OT-2026-000053856

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000053856) never changes.

Identity and time

Publication numberOT-2026-000053856 · never reused
Internal UUID01a0ae85-735e-7765-a154-75ad9d2a60b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053856
StatusPUBLIC

Content hashes

Canonical texta40aeab030d36a5d9bfed74f259bfa79484b65605be111e5c6ddcff514043e3b
Markdownb4cac9b7418af846db2a270fc93b6445d1558d9989e6faeff2d24426686f2991
PDF
Publication pagef18ab0195ecbeb1f1ddec923f47d8e376ebe079087c5474090ff012571046c2a
Manifest59b973915576f770634d6369426a4083a8d1184cd9be0fe0d322b5bb969f2824

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
SignatureVjcLmXB+UGunC6YVd/gt0NMzFhVbeE6GDs+dc6A6255KraS7JI6CUer+8Pd1R5WHHTIbqFg/ycI0AKFYwAkdAA==
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

2026-09-17T08:40:36.656530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053856
observed f18ab0195ecbeb1f1ddec923f47d8e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.637221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053856/manifest.json
observed 59b973915576f770634d6369426a4083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.618265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053856/publication.md
observed b4cac9b7418af846db2a270fc93b6445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.599808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053856/publication.txt
observed a40aeab030d36a5d9bfed74f259bfa79...
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.