OpenTechnical

OT-2026-000072036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented before set-down

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-2026-000072036) never changes.

Identity and time

Publication numberOT-2026-000072036 · never reused
Internal UUID01a0ae92-47c1-7f70-8ec1-f45d7d2f4751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072036
StatusPUBLIC

Content hashes

Canonical text23170dc90e8cfce4dae9a037b16bbedc7bedd5d19a380d0d99b91a3720ab75b9
Markdown7e4a44ce499acf24ed1b07bd41ef9aae7cf7aaa9c383a37fa0f33a2b2638db1e
PDF
Publication pagea41d0d2aaad5aa268bf88ad73a3e19b1e6fa825fe2aecaafdf06245f6bf8d3df
Manifestd41650d6d4b9de8c3ffa87357c3b5c73a219b322f625e24e450a166d3d45deda

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
Signaturew1wFXQje64ebcJ90V9ZRG7Nanz6l0B1zkHovFjif4DZM1kfKu5EnapPeMlR++GKwOthYIs3ml48GxN/aY7iZBA==
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

2026-09-17T10:23:06.049834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072036
observed a41d0d2aaad5aa268bf88ad73a3e19b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.033137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072036/manifest.json
observed d41650d6d4b9de8c3ffa87357c3b5c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.014805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072036/publication.md
observed 7e4a44ce499acf24ed1b07bd41ef9aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.998398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072036/publication.txt
observed 23170dc90e8cfce4dae9a037b16bbedc...
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.