OpenTechnical

OT-2026-000054957

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000054957) never changes.

Identity and time

Publication numberOT-2026-000054957 · never reused
Internal UUID01a0ae86-5e80-7e69-80ad-3e14f4dd6f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054957
StatusPUBLIC

Content hashes

Canonical text17603ad3ed503536146f42c1d5239c68510fed352db171d2889c29fa1d338d19
Markdown004aa4349f026d14279847aa2e4d7906eb36862e37f31c06a1447833b9f219c3
PDF
Publication page8e2734f69b316e4650b999eaf77a9dbf281d436826ae457d52a5b698ce7e2abd
Manifest45531f1882f414e703110f2792b33a6e3fbe27bcaf0343f4529bf36068abd1b5

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
SignatureuPbJqQh3EN5/qFUlJwbu0I0b/UBmfP1jCgDsiXKG5QZPhv+h9nRFf9xz8vYZjK/eyPb8xOf1XpS1LqjWAd9uBQ==
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

2026-09-17T10:53:04.139801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054957
observed 8e2734f69b316e4650b999eaf77a9dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.121637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054957/manifest.json
observed 45531f1882f414e703110f2792b33a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.100989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054957/publication.md
observed 004aa4349f026d14279847aa2e4d7906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.084052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054957/publication.txt
observed 17603ad3ed503536146f42c1d5239c68...
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.