OpenTechnical

OT-2026-000061107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000061107) never changes.

Identity and time

Publication numberOT-2026-000061107 · never reused
Internal UUID01a0ae8b-137e-7ec8-a533-ae788450f686 · 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-2026-000061107
StatusPUBLIC

Content hashes

Canonical textdcc8e95057c697a9d9c8b1c63ef916cc2e2bc64bb8f8344489cd0442fe819617
Markdownbaeef3eaa91d3f7cc89f11bbc8fdd9e2f4795e322cd61e94e679eed73b5331ea
PDF
Publication pagef06cb4f0b99891f63ce212b5911a07296721f693f5e28994327114a346c64270
Manifeste167eb346b3a9457aa6b66bc067b3f2f05eac5115d6fbc13e73c8cfad41180bd

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
SignatureP+RQQEcg6tFhoMT83Bk4Efe/i+rBUZL4nKzg8owvkW5xiLnyZLDN2icQU4gpbMWoUFUi/L1ngTta1/jZ1VbOAw==
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

2026-09-17T10:42:28.694730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061107
observed f06cb4f0b99891f63ce212b5911a0729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.676546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061107/manifest.json
observed e167eb346b3a9457aa6b66bc067b3f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.656467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061107/publication.md
observed baeef3eaa91d3f7cc89f11bbc8fdd9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.639121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061107/publication.txt
observed dcc8e95057c697a9d9c8b1c63ef916cc...
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.