OpenTechnical

OT-2026-000080816

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000080816) never changes.

Identity and time

Publication numberOT-2026-000080816 · never reused
Internal UUID01a0ae96-b974-7f6f-95d4-86dc1c63f24c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080816
StatusPUBLIC

Content hashes

Canonical text9fbe1e67cc23038a29616930092a0afe4fee138cbd0c29c40a85b84043384c83
Markdownb56972c3e1912c29e342b4922f7d428dbad26a02c66de82af5dd6038cc4662eb
PDF
Publication page8b490e56aaed7a6ab811639f16f257b4138cbe02a5fe1ac11fa0977a841e2979
Manifest6fe60e5ab0f3a9f33163312dd0718b70bbe544d08b98e080165843e88d4db0f1

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
Signature7ccV3p89qemC7092II7mfBitQ37d21SkKDktIEEA6Ff4BRQKgta4BY8evOlO8UIykXU75xIoLoddGu47OMV9AQ==
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

2026-09-17T10:01:59.945554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080816
observed 8b490e56aaed7a6ab811639f16f257b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.927017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080816/manifest.json
observed 6fe60e5ab0f3a9f33163312dd0718b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.908238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080816/publication.md
observed b56972c3e1912c29e342b4922f7d428d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.891097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080816/publication.txt
observed 9fbe1e67cc23038a29616930092a0afe...
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.