OpenTechnical

OT-2026-000044632

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000044632) never changes.

Identity and time

Publication numberOT-2026-000044632 · never reused
Internal UUID01a0ae7c-39d9-7ba7-a073-93c4275b1f6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044632
StatusPUBLIC

Content hashes

Canonical text8ccd943b2f99a95082fba2a26899c62d875e6a1147ae6edbfc04919f00ef61cf
Markdownb6e608cf4e553d54a97dc7debd62e591499f37cb7a019520dd8fb6223ccfb781
PDF
Publication page0dd9dcf6d0776fcd2d681d51d47a571e8195eee1f7cf66595329176dd025f2da
Manifest3e6d6baa055e72629a52073964b7914b59d19e627991cb660c3b9ecb2e337072

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
SignatureIsv5UVR6EFxgjTDcfCy00JraFi33fRob6C1lmeySAhrMyWWteusFlI6EMUMVlcvUwV5fUEyOeWm1xVYo3o/IDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:52.341762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044632
observed 0dd9dcf6d0776fcd2d681d51d47a571e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.321476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044632/manifest.json
observed 3e6d6baa055e72629a52073964b7914b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.301619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044632/publication.md
observed b6e608cf4e553d54a97dc7debd62e591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.282084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044632/publication.txt
observed 8ccd943b2f99a95082fba2a26899c62d...
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.