OpenTechnical

OT-2026-000086900

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000086900) never changes.

Identity and time

Publication numberOT-2026-000086900 · never reused
Internal UUID01a0ae9a-80a5-745d-b33f-182d50fb9e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086900
StatusPUBLIC

Content hashes

Canonical text0876777657321824fe21fbf99d3caf38d0e59d658213365c5e6f3387675a9579
Markdown42547fe4d40d258d16ead9aac0ab3ac42aaba41f277b6d8358748692d50c60fc
PDF
Publication pagee731eb853916e64e121002205ca32336fe1c89551f28fca6ef830b21e96eb5a1
Manifest940f357e43ff7b485afa636c3fc8d6e910906d24e00806f421fb2293109b7a5b

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
SignatureR8LFtytVbX5ouej2ljRb79hge6/gN1neLDEW0QgNbI/wSEmVtO89rC341Rj8kSoxOyKSEyRkeiPs3RW0vPXzBA==
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

2026-09-17T09:51:45.072426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086900
observed e731eb853916e64e121002205ca32336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.054736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086900/manifest.json
observed 940f357e43ff7b485afa636c3fc8d6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.035447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086900/publication.md
observed 42547fe4d40d258d16ead9aac0ab3ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.018715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086900/publication.txt
observed 0876777657321824fe21fbf99d3caf38...
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.