OpenTechnical

OT-2026-000070852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000070852) never changes.

Identity and time

Publication numberOT-2026-000070852 · never reused
Internal UUID01a0ae91-8c2d-7917-b18b-34ea737a9a7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070852
StatusPUBLIC

Content hashes

Canonical text490cb7ca52abf021f56551bf1d57edfa36a218c0033e27d5d55e4872c848ab4f
Markdown2d6323441bfd68d1d8d154214005dd5319ba82896800c533012e76ddc3eec66c
PDF
Publication pagead1477357c8da32a97d03d2201905306a62623ba4c5aec3d482134fdd2d393b2
Manifest680a50ed76353e5a0a1e279d8a9a93117eee5e255167fce281caa4db9d248378

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
Signatured0BqO2RT5RXoCjCgZCxjPrxP7Ak4iYqs2N2FJuDlCHAi8rpecIowJ8HyK1GI+ZsOyEytCxqdeAHYDHD45NE3BQ==
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

2026-09-17T10:25:40.264677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070852
observed ad1477357c8da32a97d03d2201905306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.247982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070852/manifest.json
observed 680a50ed76353e5a0a1e279d8a9a9311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.230958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070852/publication.md
observed 2d6323441bfd68d1d8d154214005dd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.214324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070852/publication.txt
observed 490cb7ca52abf021f56551bf1d57edfa...
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.