OpenTechnical

OT-2026-000009729

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, sustained blow-off after 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-2026-000009729) never changes.

Identity and time

Publication numberOT-2026-000009729 · never reused
Internal UUID01a0ae6b-7564-7e08-9606-80a9a6335966 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009729
StatusPUBLIC

Content hashes

Canonical text9711e2d140f737f6c4cb46bc8a7fc6fb21615f011ea2a109849fbff24bebe781
Markdowne05146f3e4708aff9d578bdf3a551bfc92826d3a5e95725e1546578b4b09cf4f
PDF
Publication page24095fc3a473d59367fcde2a2ce6834c31ac05085aee467af869388eb948426e
Manifestdc9abbd6513fb50b06d44752e9d88ff2506c59cef0c9810cc3307ea45a74993f

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
SignatureTBskr3cmcm9aiW9PwQzE0pBC3ri2uONSAQMy154KqXvm1KA47NoqBSHLczULp2pfSVACOKRc/hwk7be/1W1xCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:13.695554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009729
observed 24095fc3a473d59367fcde2a2ce6834c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.675402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009729/manifest.json
observed dc9abbd6513fb50b06d44752e9d88ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.654455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009729/publication.md
observed e05146f3e4708aff9d578bdf3a551bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.633566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009729/publication.txt
observed 9711e2d140f737f6c4cb46bc8a7fc6fb...
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.