OpenTechnical

OT-2026-000049603

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000049603) never changes.

Identity and time

Publication numberOT-2026-000049603 · never reused
Internal UUID01a0ae81-8f7d-7657-9c37-4521a7f5a3af · 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-2026-000049603
StatusPUBLIC

Content hashes

Canonical text4514eee7dda45e665ef61b0464278878605b40b1116fc09d2aa8c5d678bcbd3a
Markdown2de197ff10dff068d1e4423397be711a6e7f9e3f24b1b202fea0be4d79462fcd
PDF
Publication page8395f4d2eafdde9a3d702ebd222a75da9ff4b91eddc60841d61d87ed1eb7d88b
Manifestaeaaae002aa2dd6632e706d0aece670c59a20e8c2c82ed3d0d4d469f173861f7

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
Signaturer4QUS8pwqKQrslAEAWzZDjYrhLbZjH2tBdurmguv7rCX1ijaeRexHIJp/cAVYHy8Gyl0MjtbsMNyd3SPAdvuDg==
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

2026-09-17T11:02:35.099003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049603
observed 8395f4d2eafdde9a3d702ebd222a75da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.080481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049603/manifest.json
observed aeaaae002aa2dd6632e706d0aece670c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.063597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049603/publication.md
observed 2de197ff10dff068d1e4423397be711a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.046623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049603/publication.txt
observed 4514eee7dda45e665ef61b0464278878...
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.