OpenTechnical

OT-2026-000079116

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079116) never changes.

Identity and time

Publication numberOT-2026-000079116 · never reused
Internal UUID01a0ae95-ccbf-7f7a-a459-a9943c58f26e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079116
StatusPUBLIC

Content hashes

Canonical text8b78e7f0a1a3f104ceb82804f70a9ea7e8cc30ab47c693b828f0b584678678b6
Markdown88dc07573cdfe82f43b4f889af7b79c933a5ddb9cae831690f9e21763ab48392
PDF
Publication pagee7b2edc8ab31d5cd35ab6a42a88454fc1d7d5bc635ede23ac4d2063dbf9d1dca
Manifest4bfeae07246bab26d7d62b45bed132afb49346d2d79ce7b92321326dbc0a6a8c

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
SignatureJePeszFwfS8kASCrN2zriq3j2j5VoWHckemmca5QMwuncKLw2SzJx4XL/fWnRlsvx2sqvwxo8QgcnjtiJa6LCQ==
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

2026-09-17T10:05:25.240557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079116
observed e7b2edc8ab31d5cd35ab6a42a88454fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.222097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079116/manifest.json
observed 4bfeae07246bab26d7d62b45bed132af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.203043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079116/publication.md
observed 88dc07573cdfe82f43b4f889af7b79c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.183338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079116/publication.txt
observed 8b78e7f0a1a3f104ceb82804f70a9ea7...
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.