OpenTechnical

OT-2026-000054153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000054153) never changes.

Identity and time

Publication numberOT-2026-000054153 · never reused
Internal UUID01a0ae85-b3a8-75e0-822e-40b605eac3cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054153
StatusPUBLIC

Content hashes

Canonical textf9534aad7d4353fc4bad9528b89e3bd6e13b1ae76eb59eb1694b859df719d87b
Markdown9d2de23cacd5aa51b0493cb25d1fdfbbaf37d1312601bd15d589ac46f85f679e
PDF
Publication paged61009b9e73303e00919cdd97e45fbc23714a89c78eeb3ac4a73046085745248
Manifest2b9a5ac26eb89fc03f4218578b69706953a4d104f6c25689af5f6072e7d89865

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
SignaturefxRKjReyY99fP9gXP46dxKFF97stb3uaF0w0Nm/RjvhMfqwgXRv654VUUJWsQ84S3VT1OOMMMZBZt6jNfH5dAQ==
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

2026-09-17T10:54:35.787922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054153
observed d61009b9e73303e00919cdd97e45fbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.770372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054153/manifest.json
observed 2b9a5ac26eb89fc03f4218578b697069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.751905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054153/publication.md
observed 9d2de23cacd5aa51b0493cb25d1fdfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.734195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054153/publication.txt
observed f9534aad7d4353fc4bad9528b89e3bd6...
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.