OpenTechnical

OT-2026-000006709

Publication integrity record

Bellows cup vacuum gripper, pump fed, vented after set down, plastic cups, 1 fold

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-2026-000006709) never changes.

Identity and time

Publication numberOT-2026-000006709 · never reused
Internal UUID01a0a964-b670-730d-a121-f276c6438011 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:44.947630Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006709
StatusPUBLIC

Content hashes

Canonical textd87ef8ffd5cc4257017cca1b0d38f7b93bff799dbd618f5cb727f155f5cde941
Markdown844a8eaa53d4d360c3d5646ca8ad767b29b5b6e7db453ffe621a828d2f4d9d1c
PDF
Publication pagecd19b85f8fe2a127708ef000c5d5a542f5d7a774031f80051e241f16fbb13532
Manifest4e896926d64e605a5c02a65b9f269d19a578fb4cf54b35567d7a0365e1550844

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
SignatureuFYHBTYsRUQTZRajQKBv9lOI7bkr8YKOk4FIb7jCydiTpj7taVTeMS5OYtV3OtxyTh3lTY0w84jAGC3EG2PZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:14.904460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006709
observed cd19b85f8fe2a127708ef000c5d5a542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.891184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006709/manifest.json
observed 4e896926d64e605a5c02a65b9f269d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.877707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006709/publication.md
observed 844a8eaa53d4d360c3d5646ca8ad767b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.742789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006709/publication.txt
observed d87ef8ffd5cc4257017cca1b0d38f7b9...
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.