OpenTechnical

OT-2026-000088570

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000088570) never changes.

Identity and time

Publication numberOT-2026-000088570 · never reused
Internal UUID01a0ae9b-8f0f-78ff-a84f-7bc54da73478 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088570
StatusPUBLIC

Content hashes

Canonical textc0cc05c2858453fd5069009bcb5d1c04547680f7d0b87ff153a45dbdd06b0290
Markdown0a38059e819887834455b0506bfef728f05588197384460872e3b7049c7716f2
PDF
Publication pagea520ab4a29d499684214b03cbc54e49cd90b2c24694e437bbc3f83dddd4ead49
Manifest06763800080a1cbe4ea3b1965ed69e60cb2c1e156c26680300f2f179684833dc

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
Signatureg/6PVTs+AOPsdtI1r+WcJKU5Ap6NtF9kT7AAywoNdcUJJwlJhqptWMMti61+LRlR1FCfTmO5vK7Hmp5G77J3CA==
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

2026-09-17T09:47:45.392664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088570
observed a520ab4a29d499684214b03cbc54e49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.374554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088570/manifest.json
observed 06763800080a1cbe4ea3b1965ed69e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.355201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088570/publication.md
observed 0a38059e819887834455b0506bfef728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.337590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088570/publication.txt
observed c0cc05c2858453fd5069009bcb5d1c04...
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.