OpenTechnical

OT-2026-000062189

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000062189) never changes.

Identity and time

Publication numberOT-2026-000062189 · never reused
Internal UUID01a0ae8c-0abd-75f9-9f0f-e8933aad204b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062189
StatusPUBLIC

Content hashes

Canonical textefea89f6437a9bb0a3b8aa53b4023c742d0d867e45584b822869441c6198c8e5
Markdownec6b0fbd960611235069587409cf90d233c978b93ae709a7ecfe044ffd7892a4
PDF
Publication page8255a26e884300424d25bb68cd9afc0a9443c08e4aa91db8cb8f83366e72cb7c
Manifest5fac5cb96c9f4cfbc5a5b9c68b2f641c61511868d7635065d556a94668c45037

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
SignatureILFfxMMb4RoBIQ73kiCjilOp33d59BXza3OnktU7lzEJlkfZho7zl4KRwniDGxo/Go8uBBNYKgllH+8VCqkmCA==
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

2026-09-17T10:39:27.088539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062189
observed 8255a26e884300424d25bb68cd9afc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.069015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062189/manifest.json
observed 5fac5cb96c9f4cfbc5a5b9c68b2f641c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.049937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062189/publication.md
observed ec6b0fbd960611235069587409cf90d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.029890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062189/publication.txt
observed efea89f6437a9bb0a3b8aa53b4023c74...
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.