OpenTechnical

OT-2026-000008781

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000008781) never changes.

Identity and time

Publication numberOT-2026-000008781 · never reused
Internal UUID01a0ae6a-e46c-758f-a6fa-ce7f5664d5cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008781
StatusPUBLIC

Content hashes

Canonical text0a54d408b41d4122d7d464e46c95e5f1eff78af3f27910685105ade73aa99ef3
Markdown04ffbb8e1aa5ed65e8c745d23cc9a5d5ed2eba181ba00436b0f37a19af56d9f5
PDF
Publication page5250d845e0ed23a3f87a06fbccd1c94e76e0c0b35296f560c53ad3c3b35da6af
Manifest60d40bfe961be32570f3aaf5681027efffbf37dafbdd15293d630d35c4a10182

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
SignatureLT3QFWedxZiCm1wm/wPXDPqHdSQBnwfkwq+Q2VKXT5bBU0KCqyUePH/Kmp3b8IfTsCZD767qsfR5Q0TwDs4/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:53.098155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008781
observed 5250d845e0ed23a3f87a06fbccd1c94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:53.077736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008781/manifest.json
observed 60d40bfe961be32570f3aaf5681027ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:53.056902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008781/publication.md
observed 04ffbb8e1aa5ed65e8c745d23cc9a5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:53.036628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008781/publication.txt
observed 0a54d408b41d4122d7d464e46c95e5f1...
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.