OpenTechnical

OT-2026-000022898

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000022898) never changes.

Identity and time

Publication numberOT-2026-000022898 · never reused
Internal UUID01a0ae70-46eb-7e2f-99ab-d03f6bba20d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022898
StatusPUBLIC

Content hashes

Canonical text6333860c8cf019eb27612282dafa6952b07d9e5ff554ec77752db64c78290250
Markdown2a34729c8e55804e1ff01761387a47725a31b814914b5c29e2c456001c8e2803
PDF
Publication pagef639d0cbbe07351c673161be4e76105ec87a3a86b0acdc11e0b60fe438ea08be
Manifestdf3c95085e10c0f509bb6611b82912e6fa1d2bf0ac4feea2d39c36afdacfd9c5

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
SignatureP6uXDVLFOpWPN/QiJgGDwPp/rrYZ2BDWthFlEkbwx/oHrDhlYKCqRn8BF/K7vhB2eGuCXX25Q6WywwafhCBdAg==
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

2026-09-17T11:52:28.192958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022898
observed f639d0cbbe07351c673161be4e76105e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.169141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022898/manifest.json
observed df3c95085e10c0f509bb6611b82912e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.154133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022898/publication.md
observed 2a34729c8e55804e1ff01761387a4772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.137700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022898/publication.txt
observed 6333860c8cf019eb27612282dafa6952...
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.