OpenTechnical

OT-2026-000053043

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053043) never changes.

Identity and time

Publication numberOT-2026-000053043 · never reused
Internal UUID01a0ae84-a431-7242-b447-1bc04b4a3c24 · 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-2026-000053043
StatusPUBLIC

Content hashes

Canonical text5345090d81d3bdbf851c6555db7ab91dbb873fcbc6597ac18ba6160887dbc59d
Markdown9b7062b9d0ac95fc635678199184c000f079bb5ca6bd92e920146820ac4b7f94
PDF
Publication page1a0985f14d44910a18b2aa0c55a2aa2956845af2fe95c2e678fc5b4f399abaad
Manifestcc77be5d9b50ee4dd43a8144a5c33d705688d76b24001774f3e2bb602279dfda

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
SignatureG+u4XeI0xApRKMoFPG/4fkPw4FkO6jpnifCer9/yJ/gQxTDh7qUcoc55KpZd88Pp7sojkpWRGl9pK7WENIy/BA==
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

2026-09-17T10:56:45.093469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053043
observed 1a0985f14d44910a18b2aa0c55a2aa29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.075817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053043/manifest.json
observed cc77be5d9b50ee4dd43a8144a5c33d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.057912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053043/publication.md
observed 9b7062b9d0ac95fc635678199184c000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.034347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053043/publication.txt
observed 5345090d81d3bdbf851c6555db7ab91d...
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.