OpenTechnical

OT-2026-000052854

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented 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-2026-000052854) never changes.

Identity and time

Publication numberOT-2026-000052854 · never reused
Internal UUID01a0ae84-a42f-7dd1-a5f8-c8024df7384c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052854
StatusPUBLIC

Content hashes

Canonical text484bc75bf146571d7d7fa8393170b2d9990ff1070390f5e3180897ada25bbe27
Markdown9034f34b58b596caf8bde2926937e360cdc6040378e26149a7cbf63a6df9972f
PDF
Publication page6bdbd12fa4faca11defcab773b41906da03a41c68e064d710444285841fd01ad
Manifest4cdff8374b7ecc57170b6a71ef53cd9c2aed2126f700d64f777b527c8f3582bb

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
SignatureIVitBxspwXd7RlE6ufbuIiVpcg7YxcfTVXnKAFWVVcfPI3WPiIHUWlYIt2p7ju3nDMemwA1/9vaADwjc+84cBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:29.015324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052854
observed 6bdbd12fa4faca11defcab773b41906d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.996634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052854/manifest.json
observed 4cdff8374b7ecc57170b6a71ef53cd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.978863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052854/publication.md
observed 9034f34b58b596caf8bde2926937e360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.960634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052854/publication.txt
observed 484bc75bf146571d7d7fa8393170b2d9...
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.