OpenTechnical

OT-2026-000067636

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000067636) never changes.

Identity and time

Publication numberOT-2026-000067636 · never reused
Internal UUID01a0ae8f-6bda-7175-88a1-b20a80beb44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067636
StatusPUBLIC

Content hashes

Canonical textc899b2b4cd906780bb187fce21c3e4407f8bc3a738f40b61d917030fbe18f69b
Markdowne6bccc03d873f3bf72968f2b5839b718f84f5c5f5352fe81d5fc665eb6ca4140
PDF
Publication page20092e4a45a3d2bbd6e8ee0ee4efabf24b1b302f3edffef93eab2fff0a303134
Manifeste8b311dcc18a717a3b9eaddec2c3b315a181df8e29abaa7ed07c531b509d3b63

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
SignatureHMzrcLi9MbMlN1uQWOLfCIt8wenD0vEIHFBtBAuPM5wU7EfRNQ/tkSpP/T1UHAV35nj5s1SyxWl4vsqxtWwICg==
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

2026-09-17T10:31:57.713584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067636
observed 20092e4a45a3d2bbd6e8ee0ee4efabf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.697434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067636/manifest.json
observed e8b311dcc18a717a3b9eaddec2c3b315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.680772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067636/publication.md
observed e6bccc03d873f3bf72968f2b5839b718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.664426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067636/publication.txt
observed c899b2b4cd906780bb187fce21c3e440...
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.