OpenTechnical

OT-2026-000008171

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, sustained 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-2026-000008171) never changes.

Identity and time

Publication numberOT-2026-000008171 · never reused
Internal UUID01a0ae6a-908c-7609-8ee3-c6a81382f41c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008171
StatusPUBLIC

Content hashes

Canonical text0ab9eba33f4d6423fdc8bc81272bd73dcf46d268bd5b29b0b809d7c995496435
Markdown444b919b01a3f2825b58b8cd59638c5e24f513b25f6eabc8e9168a258964b56d
PDF
Publication page2086c17a01655d4f6ec04f6768049df54475529378a0ac75ce0fecfa316ed1de
Manifest4857f0adbd7b9e80ba4cf1e849a1db838b7a2778c87eec20162f476d4e81193a

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
SignaturevHjUy+3UfSW2MbMs3c28suciEFE6gczGDKpE4enWaszKbFICzD4zILHqTZGwezc3IwDsY8P4yPKUULIbGME4DA==
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

2026-09-17T12:20:32.128873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008171
observed 2086c17a01655d4f6ec04f6768049df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.109696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008171/manifest.json
observed 4857f0adbd7b9e80ba4cf1e849a1db83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.090556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008171/publication.md
observed 444b919b01a3f2825b58b8cd59638c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.069342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008171/publication.txt
observed 0ab9eba33f4d6423fdc8bc81272bd73d...
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.