OpenTechnical

OT-2026-000049671

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049671) never changes.

Identity and time

Publication numberOT-2026-000049671 · never reused
Internal UUID01a0ae81-8fee-79a6-a829-6b5c9f145451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049671
StatusPUBLIC

Content hashes

Canonical textd25a09bc5215e115a1b7edaf8c695cd6141e2109a463e8d87b825e0ca48a7816
Markdown7b3522a6c4713679dbf85d8e7a115dd68614e0c82b86aeab3f23d56828b31b88
PDF
Publication pagecd46577d5f1732465c386aa53b959e3be413ca314551e47361b676d3d2fa5281
Manifest2b21648ac0e8a92e46367d99da159bccc712a4bfddcfc1f59077c53062553bbf

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
SignaturevKQwkDh1iIAjZOMVi7AZ8V1ci/v0Xtl33vORRmahf0I5Z4Bmz64dLyUhbj0BGhmXV6dU6k3AmiQk5nzgCmxtDA==
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

2026-09-17T11:02:40.555331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049671
observed cd46577d5f1732465c386aa53b959e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.535852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049671/manifest.json
observed 2b21648ac0e8a92e46367d99da159bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.516240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049671/publication.md
observed 7b3522a6c4713679dbf85d8e7a115dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.496384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049671/publication.txt
observed d25a09bc5215e115a1b7edaf8c695cd6...
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.