OpenTechnical

OT-2026-000072381

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072381) never changes.

Identity and time

Publication numberOT-2026-000072381 · never reused
Internal UUID01a0ae92-47c3-7969-a052-4c1ea2f2c0f4 · 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-2026-000072381
StatusPUBLIC

Content hashes

Canonical text5578a0336b595fb96c532424e18905ecd885b1c95ab68e8f19748185909e04b5
Markdown9cb9ceecc6eecac22ed858cc6d16d6b995630453a6b419469310ea749ba52098
PDF
Publication page97bfe42aad64b60217e09432f67fa70d5db28b1988e0e24a933df20fd6f9c515
Manifest182d118279458f030060fdccef26dd8e291712e0324590da2835b23babf176c3

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
Signaturep83Vv9O58S/zCemSr0y6+EafTWfKyPItPamAibfHMNNmpuOxywDqtsGwOnNrMcjVfOiV8yRsbiWw3Lcbqzl9CA==
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

2026-09-17T10:23:34.392707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072381
observed 97bfe42aad64b60217e09432f67fa70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.376869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072381/manifest.json
observed 182d118279458f030060fdccef26dd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.355606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072381/publication.md
observed 9cb9ceecc6eecac22ed858cc6d16d6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.336186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072381/publication.txt
observed 5578a0336b595fb96c532424e18905ec...
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.