OpenTechnical

OT-2026-000040453

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained 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-2026-000040453) never changes.

Identity and time

Publication numberOT-2026-000040453 · never reused
Internal UUID01a0ae79-2701-77b9-ba26-7a5f86352d05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040453
StatusPUBLIC

Content hashes

Canonical textd9562c86146251a0e1f995c82a945436670ff6cc83d2c62895916a8422ca3fb2
Markdown73ffde81956de344c3d4b7bd2480e606c3a5f2881160bc97e0ba4621e4add92a
PDF
Publication pagef5d7c582cacee273b437d0fb2404e7fb43b7b4f2e8317636b038c70ff47e1d53
Manifest6f8bd04e55210c82af1f54e264e91b23ee51fc5b2a165f9f3139a4e52f3984a3

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
SignatureLiO49fRXkUY4ZPaAE5CbjMTDW7K7z0AU2Z56FRbX1EvkoNghm76sT+ZYMatAjxPaohjeHmORL81Rg7Ixs2G4CA==
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

2026-09-17T11:19:23.395901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040453
observed f5d7c582cacee273b437d0fb2404e7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.378866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040453/manifest.json
observed 6f8bd04e55210c82af1f54e264e91b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.362069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040453/publication.md
observed 73ffde81956de344c3d4b7bd2480e606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.338416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040453/publication.txt
observed d9562c86146251a0e1f995c82a945436...
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.