OpenTechnical

OT-2026-000085878

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000085878) never changes.

Identity and time

Publication numberOT-2026-000085878 · never reused
Internal UUID01a0ae99-e829-70a1-a8f0-8bda6e378317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085878
StatusPUBLIC

Content hashes

Canonical textca0d360d1f29acbab9e2de1a0120e1b1ea3ac862b8329a4fc619f3fbab41caac
Markdownf05606cf19008e22acf7ebe778d8db2c7d722eabb72c8f77d2440c295cf685a9
PDF
Publication pagebc7e984f287cd241053906527a2d5f743642679dfb47cbe76331770cfdf68a6c
Manifeste702d5b20846620e0ce4bbc127d320266735bcf3160878d1c903c62d07b5644a

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
Signature2+9QZGLoaqIooWd1COG66edRQC/u0+gusUqhHzPd36az9ZqtUe4Ikaqax+KpB0WFbrG1SEv5OxJUoX4lrcLSBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:48.963837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085878
observed bc7e984f287cd241053906527a2d5f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.945775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085878/manifest.json
observed e702d5b20846620e0ce4bbc127d32026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.928751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085878/publication.md
observed f05606cf19008e22acf7ebe778d8db2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.912021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085878/publication.txt
observed ca0d360d1f29acbab9e2de1a0120e1b1...
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.