OpenTechnical

OT-2026-000078444

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000078444) never changes.

Identity and time

Publication numberOT-2026-000078444 · never reused
Internal UUID01a0ae95-7c28-740d-adb9-e8c62d4a43ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078444
StatusPUBLIC

Content hashes

Canonical text63f9939c6b53f29537302d89919970d486bb3e14dab86a652d426a1de5439254
Markdown422735cbc5c665a7b9acdbd80a162a0a2289f189ff047fbde79047225b6d9a70
PDF
Publication paged99fcac1ceabf68ff5a89aca339a15e6c5013f1b3e09add4e9b298da95d8dfad
Manifest2247aa743ef56fba5c6e45285755b49c1e0f73d097b885d6328903c4dc67b8c3

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
SignatureqSG+BGq23R/FHUSNiv4rVsz2CB39iskM5UrdyBjU4CA2YBElX87s+WrBBT/7NGHkXeY0bIIJfqOFINlCUeGRAQ==
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

2026-09-17T10:06:26.686663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078444
observed d99fcac1ceabf68ff5a89aca339a15e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.668755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078444/manifest.json
observed 2247aa743ef56fba5c6e45285755b49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.650000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078444/publication.md
observed 422735cbc5c665a7b9acdbd80a162a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.631644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078444/publication.txt
observed 63f9939c6b53f29537302d89919970d4...
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.