OpenTechnical

OT-2026-000006297

Publication integrity record

Porous face vacuum gripper, four outlet manifold, two stage ejector, pressure verified, closed cell

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-2026-000006297) never changes.

Identity and time

Publication numberOT-2026-000006297 · never reused
Internal UUID01a0a955-f720-778b-ab4d-99dfd2a710ac · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:38.468003Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006297
StatusPUBLIC

Content hashes

Canonical text25ef1dc216becd0d576e062b1d61495f60db752df30d6c3d017f2d29aed43e4c
Markdown8dc06fb560267a957dad0ab53c3461c59696ec8a7d211c61f12d2599f5435a1a
PDF
Publication pageeeb9352de4410764dacaf301120962397b3efe2d2ab15c2081a7595889c6318e
Manifest54a54d5a49fee70eae1440fe2cbd6d4101c66a32c37c505aceac06ef2894eb0a

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
SignatureZSkOCHWerAdxXe5NA3Lxnt/FMUHuYZ1Nn4r5r4k+CGNUGQ+gIA6dnBL8cBd0diTRg+rjBqIFL/mgg76MmEgPAQ==
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

2026-09-16T08:30:04.225673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006297
observed eeb9352de4410764dacaf30112096239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.212287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006297/manifest.json
observed 54a54d5a49fee70eae1440fe2cbd6d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.198910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006297/publication.md
observed 8dc06fb560267a957dad0ab53c3461c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.186161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006297/publication.txt
observed 25ef1dc216becd0d576e062b1d61495f...
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.