OpenTechnical

OT-2026-000041208

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000041208) never changes.

Identity and time

Publication numberOT-2026-000041208 · never reused
Internal UUID01a0ae79-b143-7330-920c-ba8dcaca78f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041208
StatusPUBLIC

Content hashes

Canonical text5feaf3cf27bfa3c4897c9fdccc0f69bb3c20bd342c624b2383d7f946abc2ac04
Markdownc8a6f78abcf9b34c500e476115f8038f8d397d07a2be4e6b3a7bf8a28779024a
PDF
Publication paged0c4ef88b8ba782d63030285a22cff1e8f3c75707de3fc42b0108e32c9c41643
Manifest4f8311fcb258c1d60be183405ae34c5ac7b7a9040c9061899e449253437eefcf

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
SignaturemgqBMZG+mzXh43rhKhQW+PrqmKS6vB3qJvWSEIzz2grWWJpiw/zCIOpRWaoMoohzo2tMunaT+HzMlGGj+haeCw==
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

2026-09-17T11:17:09.977320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041208
observed d0c4ef88b8ba782d63030285a22cff1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.959747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041208/manifest.json
observed 4f8311fcb258c1d60be183405ae34c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.940730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041208/publication.md
observed c8a6f78abcf9b34c500e476115f8038f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.922712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041208/publication.txt
observed 5feaf3cf27bfa3c4897c9fdccc0f69bb...
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.