OpenTechnical

OT-2026-000088169

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000088169) never changes.

Identity and time

Publication numberOT-2026-000088169 · never reused
Internal UUID01a0ae9b-1aa8-758d-9159-6368a60a418a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088169
StatusPUBLIC

Content hashes

Canonical text02fc3dd6f73f42990de343566b1fdf3216f4b2fcf092b305f6c49e993af7e332
Markdown3590dae7d1da3fba6ee0e73bec864636b2c4f9d94330be4ae97af6a0ee77b5a5
PDF
Publication paged05be3894d6509337f26fc37bf8c5354a1bcfbfc7b50c7e544ed05e83674fb06
Manifesteb82eeed87e5754db21c6f68e291b9b4636ec9884c99859b72c4b7632cb0ebb3

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
SignatureGzZOJ16I99cEOLduqnnnYCJUCIgZI4eMpLemLfuUb5gp7eMOvn3k+CGKAj6d5kBarzsiiJIA732MMMNU0WZ1CA==
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

2026-09-17T09:50:12.790997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169
observed d05be3894d6509337f26fc37bf8c5354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.765035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169/manifest.json
observed eb82eeed87e5754db21c6f68e291b9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.744163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169/publication.md
observed 3590dae7d1da3fba6ee0e73bec864636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.723988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169/publication.txt
observed 02fc3dd6f73f42990de343566b1fdf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.136348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169
observed d05be3894d6509337f26fc37bf8c5354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.118768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169/manifest.json
observed eb82eeed87e5754db21c6f68e291b9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.102751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169/publication.md
observed 3590dae7d1da3fba6ee0e73bec864636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.086524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088169/publication.txt
observed 02fc3dd6f73f42990de343566b1fdf32...
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.