OpenTechnical

OT-2026-000023490

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000023490) never changes.

Identity and time

Publication numberOT-2026-000023490 · never reused
Internal UUID01a0ae70-7269-7678-8548-6d977b09793d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023490
StatusPUBLIC

Content hashes

Canonical text6c53ff4ada49017db9f89cfd22848719c456993c9a212f2d007be8cbb5e7c8f6
Markdownef9307a4e8fd6d112e13172074cb6d0bc9dd66aa801d589f46321d860c1faf5d
PDF
Publication page4c57b212fe4691f21005bbf82ddf32d61e143d362f7d983cb2e372f76714a3b9
Manifest9d14ecacdc80791c1124ef9658d38493d198ea01c8a1b239c55012e399abfe54

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
SignatureSoklg8lhwBIbaUJm7WmQTgxxXs9FryER3928vBF/1WTbJOUIfaNNu0JPQGOWkxOfvWTAMhgGuReS/iU5qUtwDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:43.193508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023490
observed 4c57b212fe4691f21005bbf82ddf32d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.173297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023490/manifest.json
observed 9d14ecacdc80791c1124ef9658d38493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.154584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023490/publication.md
observed ef9307a4e8fd6d112e13172074cb6d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.132581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023490/publication.txt
observed 6c53ff4ada49017db9f89cfd22848719...
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.