OpenTechnical

OT-2026-000081655

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000081655) never changes.

Identity and time

Publication numberOT-2026-000081655 · never reused
Internal UUID01a0ae97-0f73-7de8-9f4b-2db6513c936f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081655
StatusPUBLIC

Content hashes

Canonical text2f540ec27832d4dc379e7791b1c33e28a355f0a5cfed80bcb8324d6222af1d7a
Markdown53f27a39f12e9e4ec869a82711c8a5f222ee757036a81e6f7932ff71da9331a1
PDF
Publication page88bb0a1a47c4a1aea3f7c68ab1665aa724c142c8caf94f2425ef67dadb04398e
Manifest93b4e9319e37839e7e6f623fcd41d58df0d617c5d32a09baf2ced3bc88955049

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
Signature7nvXZB96Ret0wYEKw+Q+84UGfubbSUk1JMtt30yFtYye8yx0PabxVwqdbSB/83cYkNcs8iz31GsxAFVgqlg2AQ==
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

2026-09-17T09:59:42.570917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081655
observed 88bb0a1a47c4a1aea3f7c68ab1665aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.553317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081655/manifest.json
observed 93b4e9319e37839e7e6f623fcd41d58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.537275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081655/publication.md
observed 53f27a39f12e9e4ec869a82711c8a5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.518853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081655/publication.txt
observed 2f540ec27832d4dc379e7791b1c33e28...
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.