OpenTechnical

OT-2026-000070596

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented before set-down

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-2026-000070596) never changes.

Identity and time

Publication numberOT-2026-000070596 · never reused
Internal UUID01a0ae91-5460-78ba-a91f-7a7be73da241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070596
StatusPUBLIC

Content hashes

Canonical text8c027bef47a7bf5cc07038a47cdf7b6bc87ab63f1e638c58e05b76b749ab0893
Markdown1cd3ab41f83e659d67a50cf7814df3ede5916936961ae23e19b8af2be7d4b940
PDF
Publication page74277142668a6bfc916f36bc76616ad8983440afd9783fcde0e98d6afee1b7bd
Manifest8ae65ed7da5e78a72fd4c2349ebf1b28e551dfeec7f83a9c3feacdb8c5842a4c

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
SignatureCyD2web3XMyb9EA+SE0MBf7ja4VKQMiLylU8PYV5QlXr3w5bbqkAXPnM5F34JIppaP/1Bn3+11Nm5nqxbkubAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:26.811204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070596
observed 74277142668a6bfc916f36bc76616ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.792658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070596/manifest.json
observed 8ae65ed7da5e78a72fd4c2349ebf1b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.773582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070596/publication.md
observed 1cd3ab41f83e659d67a50cf7814df3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.753502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070596/publication.txt
observed 8c027bef47a7bf5cc07038a47cdf7b6b...
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.