OpenTechnical

OT-2026-000089608

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089608) never changes.

Identity and time

Publication numberOT-2026-000089608 · never reused
Internal UUID01a0ae9c-1a21-781e-bd5a-e9a9afd5f80e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089608
StatusPUBLIC

Content hashes

Canonical text39e2bf956263ea93f6dc1876a78f9d8f6e3ee905b17c618340ea55bd833bc578
Markdownd40524b722207723e757b6e97b7de531a7eec4d97f7bec68d88be5ac3743eae4
PDF
Publication page380397a2f08c4dc2fec62746ff8b2d2910718a79ffed90387a929218ad061efe
Manifestac5ba1aed3f0f8d5996f89d4632c2278a5072bf5468d1bd32cb51f78b54dea0a

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
SignatureuYLl7Y+YqmRjqNTg+4fF5Yvu3PNtOVEW+mbA+souqTXjTKDHMsNylZqbHPPXFDQ3iVBg0k14FO+VCdcIp5JxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:35.313973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089608
observed 380397a2f08c4dc2fec62746ff8b2d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.296716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089608/manifest.json
observed ac5ba1aed3f0f8d5996f89d4632c2278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.278643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089608/publication.md
observed d40524b722207723e757b6e97b7de531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.260532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089608/publication.txt
observed 39e2bf956263ea93f6dc1876a78f9d8f...
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.