OpenTechnical

OT-2026-000053135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000053135) never changes.

Identity and time

Publication numberOT-2026-000053135 · never reused
Internal UUID01a0ae84-a432-74aa-9123-70497ed3ba05 · 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-2026-000053135
StatusPUBLIC

Content hashes

Canonical text7a7c91f05c78adf62da4f87470b1f89c5acc4e6e1bc78a592e4aa2cf9ab4f7d5
Markdown5f94ba254f3c994495ef69afb3f9af0470408e10b7977706932986bde930b67e
PDF
Publication pagec50f0ebff36b24c1cc8c93d2b07f08af85655771fa6d211c11207c0ab16c95b3
Manifeste4ec1c1bd19be96e4e553571d398ef1239c556cacdaa6c4d599dea22386d0c8a

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
Signaturem/XjCqNSqFdMVJgG/CRzNjEzxBVgdlxMNXo0ZPbzFAqGNhlUexN5ArP2kgoEDT9O4XRAklJ50+2gxllsNWzWCQ==
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

2026-09-17T10:56:51.987129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053135
observed c50f0ebff36b24c1cc8c93d2b07f08af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.968844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053135/manifest.json
observed e4ec1c1bd19be96e4e553571d398ef12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.950706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053135/publication.md
observed 5f94ba254f3c994495ef69afb3f9af04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.933989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053135/publication.txt
observed 7a7c91f05c78adf62da4f87470b1f89c...
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.