OpenTechnical

OT-2026-000054438

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000054438) never changes.

Identity and time

Publication numberOT-2026-000054438 · never reused
Internal UUID01a0ae86-1282-76ba-9e17-29c9aa239fa8 · 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-2026-000054438
StatusPUBLIC

Content hashes

Canonical text3a8dff11cf454800fe8ff5d3478146e30d57988dc72431207201bf2a86111c41
Markdownc8b2b21f79d4c7bdbb8e5cd1668bdb33eafa6fcca65d9a8b77de575e2709de79
PDF
Publication page38d8bc1a695a1903b16d99fe8ada215300aec9a50a87ee487731d81d8daf8735
Manifest27c24d5508557bf1f50dcc2ac68f02cc7718802218daeb7929737b4f7a07ecf7

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
SignatureZSHm7+lEf06O6kcGF5qWzwo6akjjy3mqA6KG/ikM0+IjtqIwDIoaZHFMtP7VCHAfATe9slsaTTP/8geGyrLkAA==
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

2026-09-17T10:53:25.358005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054438
observed 38d8bc1a695a1903b16d99fe8ada2153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.339609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054438/manifest.json
observed 27c24d5508557bf1f50dcc2ac68f02cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.322933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054438/publication.md
observed c8b2b21f79d4c7bdbb8e5cd1668bdb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.305351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054438/publication.txt
observed 3a8dff11cf454800fe8ff5d3478146e3...
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.