OpenTechnical

OT-2026-000052877

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000052877) never changes.

Identity and time

Publication numberOT-2026-000052877 · never reused
Internal UUID01a0ae84-a42f-716c-9950-2267fa739560 · 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-2026-000052877
StatusPUBLIC

Content hashes

Canonical textc70b36e185c8929014cc21781be845b843f2993cbb36582eb8c09d59d597f805
Markdown68d016af5aeae36ff5ddc445b02b74bd8fe152be2dd1d6dc89c1f9672ec253cc
PDF
Publication page11f931e23381d223182302fa1285053c2e4dfd3ab0c17bd1bf38cef14e4d5936
Manifestf55bee31e5dd3bf203e0ea16d4128398bb186205a754fdd53dc6b738d8712251

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
SignaturejbEE9iZnfjwmG4wxv6cMyXOixbLRlbB1Pk0rz5A8bRjvvkPsr+9gn+Ib2Xwx3dhLlOJ5tQS2iCWUG3lczrF4CA==
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

2026-09-17T10:56:30.761309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052877
observed 11f931e23381d223182302fa1285053c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.742838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052877/manifest.json
observed f55bee31e5dd3bf203e0ea16d4128398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.722625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052877/publication.md
observed 68d016af5aeae36ff5ddc445b02b74bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.702849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052877/publication.txt
observed c70b36e185c8929014cc21781be845b8...
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.