OpenTechnical

OT-2026-000095033

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000095033) never changes.

Identity and time

Publication numberOT-2026-000095033 · never reused
Internal UUID01a0ae9f-2df0-71e9-9cc3-dcf8c3959fab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095033
StatusPUBLIC

Content hashes

Canonical text23ac24a9307c7bc78e03dba6dfff61350fdcba90c0ba8fee698eb5f03dd959fe
Markdown4fca88293405e50676a9461475a9a23280300c007d480237958cdb5195321b4c
PDF
Publication page2acb3b07c28781fb7b3556abad89e60fa02f4ce7a0eb03151f5ddf957f9728cd
Manifest0025cf12aea676b24e007deec9dc791ba5c1316895808a3a835750bd5493e017

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
SignatureS+ZXR1Da6eTUPDlIUhWGPtu/GIvmuzjhodNaFml65Nnz5VFCyLdNK0X7jR0CbFrxFWv8zQ5EtlDmHnKEEKdvAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:35.780411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095033
observed 2acb3b07c28781fb7b3556abad89e60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.762913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095033/manifest.json
observed 0025cf12aea676b24e007deec9dc791b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.746712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095033/publication.md
observed 4fca88293405e50676a9461475a9a232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.729305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095033/publication.txt
observed 23ac24a9307c7bc78e03dba6dfff6135...
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.