OpenTechnical

OT-2026-000023687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000023687) never changes.

Identity and time

Publication numberOT-2026-000023687 · never reused
Internal UUID01a0ae70-aed4-7493-91a9-ea6fa5510436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023687
StatusPUBLIC

Content hashes

Canonical text4df488379f8fda7fecd9859ce704044ef89601d69116ea6d270f1fa5bffda6b0
Markdown1947e9b844dbe6e4903905bd99d3ae4f6a5a82b711596abcdc5dec7da1a0b007
PDF
Publication page1630467db5eab0797f5f41d45eb43f475d8aacef6832e9deb2bda47a4dd82ad1
Manifest81c4d4bbf37e9f2e9f2d4b9340543068477361543125e7e0d577654b0cdf2bc6

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
Signature/0LTGHjKbaFhTErowD3N2gPfBK//njY7dGpJy0+3wq++//+nEwz6ZaXHARSoDli12SRaro/CSAqP0kQM+BLWAw==
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

2026-09-17T11:50:00.849258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023687
observed 1630467db5eab0797f5f41d45eb43f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.808670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023687/manifest.json
observed 81c4d4bbf37e9f2e9f2d4b9340543068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.789715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023687/publication.md
observed 1947e9b844dbe6e4903905bd99d3ae4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.736831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023687/publication.txt
observed 4df488379f8fda7fecd9859ce704044e...
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.