OpenTechnical

OT-2026-000060989

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000060989) never changes.

Identity and time

Publication numberOT-2026-000060989 · never reused
Internal UUID01a0ae8b-12f3-7cd8-8aea-89d21f1d5592 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060989
StatusPUBLIC

Content hashes

Canonical textd1636a3dd41ce4dbad2b8a79cd08bf84c5771bda9a86d0277358005ca5a49fd6
Markdown075885b49d15b8c5fcd6a4829eec8b9dcc4b5871a2a8b48985ab5408da93b03a
PDF
Publication page1c4614c15f657cc7d6095fa05f05d8438d05fff37712e00ee4d902a7aefb21da
Manifest1cea8dfec0289b5f5317eb03c29dad23c309b34a2d0bca5853a846fe9e4c22ec

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
Signature5NWxhh3I033Dvho7+o0391dIrBUFxAVox+cOqae1xHls8QpAmISzLF85XTSSilR32SFk8DGXqYtJWIwp2L7uCQ==
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...

Independent retrieval

2026-09-17T10:42:16.558185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060989
observed 1c4614c15f657cc7d6095fa05f05d843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.540050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060989/manifest.json
observed 1cea8dfec0289b5f5317eb03c29dad23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.523267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060989/publication.md
observed 075885b49d15b8c5fcd6a4829eec8b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.504580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060989/publication.txt
observed d1636a3dd41ce4dbad2b8a79cd08bf84...
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.