OpenTechnical

OT-2026-000027174

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000027174) never changes.

Identity and time

Publication numberOT-2026-000027174 · never reused
Internal UUID01a0ae72-3454-7afc-87a9-79573608ce63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027174
StatusPUBLIC

Content hashes

Canonical textdb0931516b5ad9a25022e3df5ff9736a9d5e247f60eb23d3a71af1bdeb4746bc
Markdowncca6aee1ef4d9dfa86fc3bdef9041ccfe4fd161e041263c6000abdfc43a6f88c
PDF
Publication page9a18fbb451ce2aa47fa5a568f16938e82452ab9a489c63613bbdaf9ed24a68f9
Manifesta486d76bbfee68158d205570680161e3dfdf093637f275e200a2d6375d5cd54a

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
SignaturevFNIPjeoXUeBRA4Fl3cbElYZejQKhQaN3Z/Ltqh1SEBVF7lTxSzRGdiRC4bboaptXtZyiAav9d7R+zd9EBv4AA==
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

2026-09-17T11:43:57.486082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027174
observed 9a18fbb451ce2aa47fa5a568f16938e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.469379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027174/manifest.json
observed a486d76bbfee68158d205570680161e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.452821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027174/publication.md
observed cca6aee1ef4d9dfa86fc3bdef9041ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.430964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027174/publication.txt
observed db0931516b5ad9a25022e3df5ff9736a...
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.