OpenTechnical

OT-2026-000027895

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed 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-2026-000027895) never changes.

Identity and time

Publication numberOT-2026-000027895 · never reused
Internal UUID01a0ae72-a4a5-76c1-8b5c-6b752e7a7360 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027895
StatusPUBLIC

Content hashes

Canonical textc160a89077cef1d7e0f59afd08a699c9249d597312486ba37b56671cdac68ce3
Markdown8a023cd6775201c3e35486a6bab5faebeb517c94d67613a37ddd054fc6d01955
PDF
Publication page376db676a730d7afe99ddc6237b91157eb3c246103e74b53b8a27fa44ab222aa
Manifestfe50bb4b98d5f56543c7c0bf42c71f61826d50b31daf07498ee9a792c64908cd

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
SignatureoNOy+Af12cIXZpbvYND994VYt9md4aQZ8IcUTNXgf6ae5g7hBRL/eHiolPb4rvTqLDccLdZ6v7q6dclG49YWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:02.581737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027895
observed 376db676a730d7afe99ddc6237b91157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.561879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027895/manifest.json
observed fe50bb4b98d5f56543c7c0bf42c71f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.541611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027895/publication.md
observed 8a023cd6775201c3e35486a6bab5faeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.522588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027895/publication.txt
observed c160a89077cef1d7e0f59afd08a699c9...
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.