OpenTechnical

OT-2026-000079074

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000079074) never changes.

Identity and time

Publication numberOT-2026-000079074 · never reused
Internal UUID01a0ae95-ccbf-733a-95b5-cccd019e6887 · 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-2026-000079074
StatusPUBLIC

Content hashes

Canonical text0b577aeb88277710322b7d21df1612e5fd8487cbbb55a92f531cd64618c03525
Markdown72be5ab1fdfc637df067a7230f7694d54125d9f0565b2b541cb7afa87ce4ba53
PDF
Publication page9bd44573eba8dbce5f030884ab254a3fe6c4c89f2aee6f700dcadcc38867fd2c
Manifestade56243d0fc6f9b391632af9fd64c3250c42784cbadf6e52a3382350e1ded36

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
SignaturePwfHJXNYub0yLYnfl8Ab5LbKzQExkWSRshTWsUmujp8w9m0vJkcpsKuSo9fazDxUrlf5zCWOajouNYesowLvBA==
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

2026-09-17T10:05:55.067799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079074
observed 9bd44573eba8dbce5f030884ab254a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.047853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079074/manifest.json
observed ade56243d0fc6f9b391632af9fd64c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.031133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079074/publication.md
observed 72be5ab1fdfc637df067a7230f7694d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.010181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079074/publication.txt
observed 0b577aeb88277710322b7d21df1612e5...
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.