OpenTechnical

OT-2026-000073490

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073490) never changes.

Identity and time

Publication numberOT-2026-000073490 · never reused
Internal UUID01a0ae92-efb9-78cd-91cf-c748e6bb4568 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073490
StatusPUBLIC

Content hashes

Canonical text04713070c0b30a7bfb79b266b24309ce41eeeaeb930d835168987292e07ede4f
Markdowndfc1fff61fb5ce8fd1e721f4c0bd0e1f57a41025cb2ded784b3e6361246b4404
PDF
Publication paged23cdde7fa72a99fbdaf3a78f9cc7e767968b4e78344acfff0ff1b832ef372d8
Manifest89b2025b827383f7143759887cf7d06912c25bba7eb0ebd1fe2b062dbb0528c9

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
SignatureGz9XMQ8KqcPaEIFemtbB80JIcnR5vGKdAEnnsXxumcSpqVY4u8YPnzlBpvDFcsQDUAm73qhjKYzbv6SFmTCiCA==
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

2026-09-17T10:21:38.818838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073490
observed d23cdde7fa72a99fbdaf3a78f9cc7e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.799881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073490/manifest.json
observed 89b2025b827383f7143759887cf7d069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.780534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073490/publication.md
observed dfc1fff61fb5ce8fd1e721f4c0bd0e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.761322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073490/publication.txt
observed 04713070c0b30a7bfb79b266b24309ce...
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.